Merge branch 'develop' into feature/update-colors

---------

Co-authored-by: Faierbel <RafalBO99@outlook.com>

.circleci/config.yml

@@ -162,7 +162,7 @@ jobs:
             openssl aes-256-cbc -d -in ./app/upload-key-encrypted.jks -k $ENCRYPT_KEY >> ./app/upload-key.jks
       - run:
           name: Publish release
-          command: ./gradlew publishPlayRelease --no-daemon --stacktrace --console=plain -PenableCrashlytics -PdisablePreDex
+          command: ./gradlew publishPlayRelease --no-daemon --stacktrace --console=plain -PdisablePreDex
 
 workflows:
   version: 2

.github/workflows/deploy-store.yml

@@ -40,7 +40,7 @@ jobs:
           SINGLE_SUPPORT_AD_ID: ${{ secrets.SINGLE_SUPPORT_AD_ID }}
           DASHBOARD_TILE_AD_ID: ${{ secrets.DASHBOARD_TILE_AD_ID }}
           SET_BUILD_TIMESTAMP: ${{ secrets.SET_BUILD_TIMESTAMP }}
-        run: ./gradlew publishPlayReleaseApps -PenableFirebase --stacktrace;
+        run: ./gradlew publishPlayReleaseApps --stacktrace;
 
   deploy-app-gallery:
     name: AppGallery

.github/workflows/deploy-test.yml

@@ -36,8 +36,7 @@ jobs:
       - name: Prepare build configuration
         run: |
           sed -i -e "s#applicationIdSuffix \".dev\"#applicationIdSuffix \".${GITHUB_HEAD_REF//[-.\/]/_}\"#" app/build.gradle
-          sed -i -e "s#.dev\"#.${GITHUB_HEAD_REF//[-.\/]/_}\"#" app/src/debug/google-services.json
-          sed -i -e "s#.dev\"#.${GITHUB_HEAD_REF//[-.\/]/_}\"#" app/src/debug/agconnect-services.json
+          sed -i -e "s#.dev\"#.${GITHUB_HEAD_REF//[-.\/]/_}\"#" app/google-services.json
           sed -i -e '/versionNameSuffix/d' app/build.gradle
       - name: Add signing config
         run: |
@@ -131,7 +130,7 @@ jobs:
           BITRISE_KEYSTORE_PASSWORD: ${{ secrets.BITRISE_KEYSTORE_PASSWORD }}
           BITRISE_KEY_ALIAS: ${{ secrets.BITRISE_KEY_ALIAS }}
           BITRISE_KEY_PASSWORD: ${{ secrets.BITRISE_KEY_PASSWORD }}
-        run: ./gradlew assemblePlayDebug -PenableFirebase --stacktrace
+        run: ./gradlew assemblePlayDebug --stacktrace
       - name: Upload apk to github artifacts
         uses: actions/upload-artifact@v3
         with:

.gitignore

@@ -117,12 +117,13 @@ Thumbs.db
 *.ear
 
 ### AndroidStudio Patch ###
-
 !/gradle/wrapper/gradle-wrapper.jar
 .idea/jarRepositories.xml
 
+### Services config files
+agconnect-services.json
+agconnect-credentials.json
+google-services.json
+!app/google-services.json
+
 
-app/src/release/agconnect-services.json
-app/src/release/agconnect-credentials.json
-.idea/deploymentTargetDropDown.xml
-.idea/kotlinc.xml

.travis.yml

@@ -61,7 +61,7 @@ script:
       gpg --yes --batch --passphrase=$SERVICES_ENCRYPT_KEY ./app/src/release/agconnect-services.json.gpg;
       gpg --yes --batch --passphrase=$ENCRYPT_KEY ./app/key.p12.gpg;
       gpg --yes --batch --passphrase=$ENCRYPT_KEY ./app/upload-key.jks.gpg;
-      ./gradlew publishPlayRelease -PenableFirebase --stacktrace;
+      ./gradlew publishPlayRelease --stacktrace;
     fi
 
 after_success:

app/build.gradle

@@ -27,15 +27,12 @@ android {
         testApplicationId "io.github.tests.wulkanowy"
         minSdkVersion 21
         targetSdkVersion 34
-        versionCode 155
-        versionName "2.5.6"
+        versionCode 150
+        versionName "2.5.1"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
         resValue "string", "app_name", "Wulkanowy"
-        manifestPlaceholders = [
-            firebase_enabled: project.hasProperty("enableFirebase"),
-            admob_project_id: ""
-        ]
+        manifestPlaceholders = [admob_project_id: ""]
 
         buildConfigField "String", "SINGLE_SUPPORT_AD_ID", "null"
         buildConfigField "String", "DASHBOARD_TILE_AD_ID", "null"
@@ -76,7 +73,6 @@ android {
             resValue "string", "app_name", "Wulkanowy DEV"
             applicationIdSuffix ".dev"
             versionNameSuffix "-dev"
-            ext.enableCrashlytics = project.hasProperty("enableFirebase")
             buildConfigField "String", "MESSAGES_BASE_URL", "\"https://messages.wulkanowy.net.pl\""
             buildConfigField "String", "SCHOOLS_BASE_URL", '"https://schools.wulkanowy.net.pl"'
         }
@@ -164,8 +160,8 @@ play {
     defaultToAppBundles = false
     track = 'production'
     releaseStatus = ReleaseStatus.IN_PROGRESS
-    userFraction = 0.99d
-    updatePriority = 3
+    userFraction = 0.50d
+    updatePriority = 1
     enabled.set(false)
 }
 
@@ -195,7 +191,7 @@ ext {
 }
 
 dependencies {
-    implementation 'io.github.wulkanowy:sdk:2.5.6'
+    implementation 'io.github.wulkanowy:sdk:2.5.1'
 
     coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:2.0.4'
 
@@ -252,13 +248,13 @@ dependencies {
     implementation 'com.fredporciuncula:flow-preferences:1.9.1'
     implementation 'org.apache.commons:commons-text:1.11.0'
 
-    playImplementation platform('com.google.firebase:firebase-bom:32.7.3')
+    playImplementation platform('com.google.firebase:firebase-bom:32.7.4')
     playImplementation 'com.google.firebase:firebase-analytics'
     playImplementation 'com.google.firebase:firebase-messaging'
     playImplementation 'com.google.firebase:firebase-crashlytics:'
     playImplementation 'com.google.firebase:firebase-config'
 
-    playImplementation 'com.google.android.gms:play-services-ads:22.6.0'
+    playImplementation 'com.google.android.gms:play-services-ads:23.0.0'
     playImplementation "com.google.android.play:integrity:1.3.0"
     playImplementation 'com.google.android.play:app-update-ktx:2.1.0'
     playImplementation 'com.google.android.play:review-ktx:2.0.1'

app/play-publish-lint.sh

@@ -1,7 +1,8 @@
 #!/bin/bash -
 
 content=$(cat < "app/src/main/play/release-notes/pl-PL/default.txt") || exit
-if [[ "${#content}" -gt 500 ]]; then
+content2=echo "$content" | dos2unix
+if [[ "${#content2}" -gt 500 ]]; then
     echo >&2 "Release notes content has reached the limit of 500 characters"
     exit 1
 fi

app/src/debug/agconnect-services.json

@@ -1,92 +0,0 @@
-{
-  "agcgw": {
-    "backurl": "connect-dre.hispace.hicloud.com",
-    "url": "connect-dre.dbankcloud.cn",
-    "websocketbackurl": "connect-ws-dre.hispace.dbankcloud.com",
-    "websocketurl": "connect-ws-dre.hispace.dbankcloud.cn"
-  },
-  "agcgw_all": {
-    "CN": "connect-drcn.dbankcloud.cn",
-    "CN_back": "connect-drcn.hispace.hicloud.com",
-    "DE": "connect-dre.dbankcloud.cn",
-    "DE_back": "connect-dre.hispace.hicloud.com",
-    "RU": "connect-drru.hispace.dbankcloud.ru",
-    "RU_back": "connect-drru.hispace.dbankcloud.cn",
-    "SG": "connect-dra.dbankcloud.cn",
-    "SG_back": "connect-dra.hispace.hicloud.com"
-  },
-  "websocketgw_all": {
-    "CN": "connect-ws-drcn.hispace.dbankcloud.cn",
-    "CN_back": "connect-ws-drcn.hispace.dbankcloud.com",
-    "DE": "connect-ws-dre.hispace.dbankcloud.cn",
-    "DE_back": "connect-ws-dre.hispace.dbankcloud.com",
-    "RU": "connect-ws-drru.hispace.dbankcloud.ru",
-    "RU_back": "connect-ws-drru.hispace.dbankcloud.cn",
-    "SG": "connect-ws-dra.hispace.dbankcloud.cn",
-    "SG_back": "connect-ws-dra.hispace.dbankcloud.com"
-  },
-  "client": {
-    "cp_id": "890048000024105546",
-    "product_id": "736430079244736562",
-    "client_id": "514530959291319360",
-    "client_secret": "C42522DBF17D3D4BBE9D9C1783A54484B7E6844B388B7A67502D36A633A4186B",
-    "project_id": "736430079244736562",
-    "app_id": "106552551",
-    "api_key": "CgB6e3x9BUNiq+r8ebCHNojjjYsMT4pJSjjNDOkm9owtBb6rVI6LjnASoZBRxbjjhObcrV5gANo99fI/eKZDTbWS",
-    "package_name": "io.github.wulkanowy.dev"
-  },
-  "oauth_client": {
-    "client_id": "106552551",
-    "client_type": 1
-  },
-  "app_info": {
-    "app_id": "106552551",
-    "package_name": "io.github.wulkanowy.dev"
-  },
-  "service": {
-    "analytics": {
-      "collector_url": "datacollector-dre.dt.hicloud.com,datacollector-dre.dt.dbankcloud.cn",
-      "collector_url_ru": "datacollector-drru.dt.dbankcloud.ru,datacollector-drru.dt.hicloud.com",
-      "collector_url_sg": "datacollector-dra.dt.hicloud.com,datacollector-dra.dt.dbankcloud.cn",
-      "collector_url_de": "datacollector-dre.dt.hicloud.com,datacollector-dre.dt.dbankcloud.cn",
-      "collector_url_cn": "datacollector-drcn.dt.hicloud.com,datacollector-drcn.dt.dbankcloud.cn",
-      "resource_id": "p1",
-      "channel_id": ""
-    },
-		"search":{
-			"url":"https://search-dre.cloud.huawei.com"
-		},
-		"cloudstorage": {
-      "storage_url_sg_back": "https://agc-storage-dra.cloud.huawei.asia",
-      "storage_url_ru_back": "https://agc-storage-drru.cloud.huawei.ru",
-      "storage_url_ru": "https://agc-storage-drru.cloud.huawei.ru",
-      "storage_url_de_back": "https://agc-storage-dre.cloud.huawei.eu",
-      "storage_url_de": "https://ops-dre.agcstorage.link",
-      "storage_url": "https://agc-storage-drcn.platform.dbankcloud.cn",
-      "storage_url_sg": "https://ops-dra.agcstorage.link",
-      "storage_url_cn_back": "https://agc-storage-drcn.cloud.huawei.com.cn",
-      "storage_url_cn": "https://agc-storage-drcn.platform.dbankcloud.cn"
-    },
-    "ml": {
-      "mlservice_url": "ml-api-dre.ai.dbankcloud.com,ml-api-dre.ai.dbankcloud.cn"
-    }
-  },
-  "region": "DE",
-  "configuration_version": "3.0",
-  "appInfos": [
-    {
-      "package_name": "io.github.wulkanowy.dev",
-      "client": {
-        "app_id": "106552551"
-      },
-      "app_info": {
-        "package_name": "io.github.wulkanowy.dev",
-        "app_id": "106552551"
-      },
-      "oauth_client": {
-        "client_type": 1,
-        "client_id": "106552551"
-      }
-    }
-  ]
-}

app/src/main/AndroidManifest.xml

@@ -155,33 +155,9 @@
                 android:resource="@xml/provider_paths" />
         </provider>
 
-        <!-- workaround for https://github.com/firebase/firebase-android-sdk/issues/473 enabled:false -->
-        <!-- https://firebase.googleblog.com/2017/03/take-control-of-your-firebase-init-on.html -->
-        <provider
-            android:name="com.google.firebase.provider.FirebaseInitProvider"
-            android:authorities="${applicationId}.firebaseinitprovider"
-            android:enabled="${firebase_enabled}"
-            android:exported="false"
-            tools:ignore="MissingClass" />
-
         <meta-data
             android:name="install_channel"
             android:value="${install_channel}" />
-        <meta-data
-            android:name="firebase_analytics_collection_enabled"
-            android:value="${firebase_enabled}" />
-        <meta-data
-            android:name="google_analytics_adid_collection_enabled"
-            android:value="${firebase_enabled}" />
-        <meta-data
-            android:name="firebase_crashlytics_collection_enabled"
-            android:value="${firebase_enabled}" />
-        <meta-data
-            android:name="firebase_messaging_auto_init_enabled"
-            android:value="${firebase_enabled}" />
-        <meta-data
-            android:name="firebase_inapp_messaging_auto_data_collection_enabled"
-            android:value="${firebase_enabled}" />
         <meta-data
             android:name="com.google.firebase.messaging.default_notification_icon"
             android:resource="@drawable/ic_stat_all" />

app/src/main/java/io/github/wulkanowy/data/Resource.kt

@@ -1,11 +1,17 @@
 package io.github.wulkanowy.data
 
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.FlowPreview
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.catch
 import kotlinx.coroutines.flow.collect
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.debounce
 import kotlinx.coroutines.flow.emitAll
 import kotlinx.coroutines.flow.filter
+import kotlinx.coroutines.flow.filterNot
 import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.flow.flatMapLatest
 import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.map
@@ -14,16 +20,39 @@ import kotlinx.coroutines.flow.takeWhile
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import timber.log.Timber
+import kotlin.time.Duration
+import kotlin.time.Duration.Companion.seconds
 
-sealed class Resource<T> {
-
-    open class Loading<T> : Resource<T>()
+sealed interface Resource<out T> {
+    /**
+     * The initial value of a resource flow. Indicates no data that is currently available to be shown,
+     * however with the expectation that the state will transition to another one soon.
+     */
+    open class Loading<T> : Resource<T>
 
+    /**
+     * A semi-loading state with some data available to be displayed (usually cached data loaded from
+     * the database). Still not the target state and it's expected to transition into another one soon.
+     */
     data class Intermediate<T>(val data: T) : Loading<T>()
 
-    data class Success<T>(val data: T) : Resource<T>()
+    /**
+     * The happy-path target state. Data can either be:
+     * - loaded from the database - while it may seem like this case is already handled by the
+     *   Intermediate state, the difference here is semantic. Cached data is returned as Intermediate
+     *   when there's a API request in progress (or soon expected to be), however when there is no
+     *   intention of immediately querying the API, the cached data is returned as a Success.
+     * - fetched from the API.
+     */
+    data class Success<T>(val data: T) : Resource<T>
 
-    data class Error<T>(val error: Throwable) : Resource<T>()
+    /**
+     * Something bad happened and we were unable to get the requested data. This can be caused by
+     * a database error, a network error, or really just any other error. Upon receiving this state
+     * the UI can either: display a full screen error, or, when it has received any data previously,
+     * display a snack bar informing of the problem.
+     */
+    data class Error<T>(val error: Throwable) : Resource<T>
 }
 
 val <T> Resource<T>.dataOrNull: T?
@@ -64,6 +93,22 @@ fun <T, U> Resource<T>.mapData(block: (T) -> U) = when (this) {
     is Resource.Error -> Resource.Error(this.error)
 }
 
+/**
+ * Injects another flow into this flow's resource data.
+ */
+inline fun <T1, T2, R> Flow<Resource<T1>>.combineWithResourceData(
+    flow: Flow<T2>,
+    crossinline block: suspend (T1, T2) -> R
+): Flow<Resource<R>> =
+    combine(flow) { resource, inject ->
+        when (resource) {
+            is Resource.Success -> Resource.Success(block(resource.data, inject))
+            is Resource.Intermediate -> Resource.Intermediate(block(resource.data, inject))
+            is Resource.Loading -> Resource.Loading()
+            is Resource.Error -> Resource.Error(resource.error)
+        }
+    }
+
 fun <T> Flow<Resource<T>>.logResourceStatus(name: String, showData: Boolean = false) = onEach {
     val description = when (it) {
         is Resource.Intermediate -> "intermediate data received" + if (showData) " (data: `${it.data}`)" else ""
@@ -74,8 +119,29 @@ fun <T> Flow<Resource<T>>.logResourceStatus(name: String, showData: Boolean = fa
     Timber.i("$name: $description")
 }
 
-fun <T, U> Flow<Resource<T>>.mapResourceData(block: (T) -> U) = map {
-    it.mapData(block)
+inline fun <T, U> Flow<Resource<T>>.mapResourceData(crossinline block: suspend (T) -> U) = map {
+    when (it) {
+        is Resource.Success -> Resource.Success(block(it.data))
+        is Resource.Intermediate -> Resource.Intermediate(block(it.data))
+        is Resource.Loading -> Resource.Loading()
+        is Resource.Error -> Resource.Error(it.error)
+    }
+}
+
+@OptIn(ExperimentalCoroutinesApi::class)
+fun <T, U> Flow<Resource<T>>.flatMapResourceData(
+    inheritIntermediate: Boolean = true, block: suspend (T) -> Flow<Resource<U>>
+) = flatMapLatest {
+    when (it) {
+        is Resource.Success -> block(it.data)
+        is Resource.Intermediate -> block(it.data).map { newRes ->
+            if (inheritIntermediate && newRes is Resource.Success) Resource.Intermediate(newRes.data)
+            else newRes
+        }
+
+        is Resource.Loading -> flowOf(Resource.Loading())
+        is Resource.Error -> flowOf(Resource.Error(it.error))
+    }
 }
 
 fun <T> Flow<Resource<T>>.onResourceData(block: suspend (T) -> Unit) = onEach {
@@ -105,13 +171,13 @@ fun <T> Flow<Resource<T>>.onResourceSuccess(block: suspend (T) -> Unit) = onEach
     }
 }
 
-fun <T> Flow<Resource<T>>.onResourceError(block: (Throwable) -> Unit) = onEach {
+fun <T> Flow<Resource<T>>.onResourceError(block: suspend (Throwable) -> Unit) = onEach {
     if (it is Resource.Error) {
         block(it.error)
     }
 }
 
-fun <T> Flow<Resource<T>>.onResourceNotLoading(block: () -> Unit) = onEach {
+fun <T> Flow<Resource<T>>.onResourceNotLoading(block: suspend () -> Unit) = onEach {
     if (it !is Resource.Loading) {
         block()
     }
@@ -121,70 +187,99 @@ suspend fun <T> Flow<Resource<T>>.toFirstResult() = filter { it !is Resource.Loa
 
 suspend fun <T> Flow<Resource<T>>.waitForResult() = takeWhile { it is Resource.Loading }.collect()
 
-inline fun <ResultType, RequestType> networkBoundResource(
-    mutex: Mutex = Mutex(),
-    showSavedOnLoading: Boolean = true,
-    crossinline isResultEmpty: (ResultType) -> Boolean,
-    crossinline query: () -> Flow<ResultType>,
-    crossinline fetch: suspend (ResultType) -> RequestType,
-    crossinline saveFetchResult: suspend (old: ResultType, new: RequestType) -> Unit,
-    crossinline onFetchFailed: (Throwable) -> Unit = { },
-    crossinline shouldFetch: (ResultType) -> Boolean = { true },
-    crossinline filterResult: (ResultType) -> ResultType = { it }
-) = flow {
-    emit(Resource.Loading())
+// Can cause excessive amounts of `Resource.Intermediate` to be emitted. Unless that is desired,
+// use `debounceIntermediates` to alleviate this behavior.
+inline fun <reified T> combineResourceFlows(flows: Iterable<Flow<Resource<T>>>): Flow<Resource<List<T>>> =
+    combine(flows) { items ->
+        var isIntermediate = false
+        val data = mutableListOf<T>()
+        for (item in items) {
+            when (item) {
+                is Resource.Success -> data.add(item.data)
+                is Resource.Intermediate -> {
+                    isIntermediate = true
+                    data.add(item.data)
+                }
 
-    val data = query().first()
-    emitAll(if (shouldFetch(data)) {
-        val filteredResult = filterResult(data)
-
-        if (showSavedOnLoading && !isResultEmpty(filteredResult)) {
-            emit(Resource.Intermediate(filteredResult))
+                is Resource.Loading -> return@combine Resource.Loading()
+                is Resource.Error -> continue
+            }
         }
-
-        try {
-            val newData = fetch(data)
-            mutex.withLock { saveFetchResult(query().first(), newData) }
-            query().map { Resource.Success(filterResult(it)) }
-        } catch (throwable: Throwable) {
-            onFetchFailed(throwable)
-            flowOf(Resource.Error(throwable))
+        if (data.isEmpty()) {
+            // All items have to be errors for this to happen, so just return the first one.
+            // mapData is functionally useless and exists only to satisfy the type checker
+            items.first().mapData { listOf(it) }
+        } else if (isIntermediate) {
+            Resource.Intermediate(data)
+        } else {
+            Resource.Success(data)
+        }
+    }
+
+@OptIn(FlowPreview::class)
+fun <T> Flow<Resource<T>>.debounceIntermediates(timeout: Duration = 5.seconds) = flow {
+    var wasIntermediate = false
+
+    emitAll(this@debounceIntermediates.debounce {
+        if (it is Resource.Intermediate) {
+            if (!wasIntermediate) {
+                wasIntermediate = true
+                Duration.ZERO
+            } else {
+                timeout
+            }
+        } else {
+            wasIntermediate = false
+            Duration.ZERO
         }
-    } else {
-        query().map { Resource.Success(filterResult(it)) }
     })
 }
 
+
+inline fun <OutputType, ApiType> networkBoundResource(
+    mutex: Mutex = Mutex(),
+    crossinline isResultEmpty: (OutputType) -> Boolean,
+    crossinline query: () -> Flow<OutputType>,
+    crossinline fetch: suspend () -> ApiType,
+    crossinline saveFetchResult: suspend (old: OutputType, new: ApiType) -> Unit,
+    crossinline shouldFetch: (OutputType) -> Boolean = { true },
+    crossinline filterResult: (OutputType) -> OutputType = { it }
+) = networkBoundResource(
+    mutex = mutex,
+    isResultEmpty = isResultEmpty,
+    query = query,
+    fetch = fetch,
+    saveFetchResult = saveFetchResult,
+    shouldFetch = shouldFetch,
+    mapResult = filterResult
+)
+
 @JvmName("networkBoundResourceWithMap")
-inline fun <ResultType, RequestType, T> networkBoundResource(
+inline fun <DatabaseType, ApiType, OutputType> networkBoundResource(
     mutex: Mutex = Mutex(),
-    showSavedOnLoading: Boolean = true,
-    crossinline isResultEmpty: (T) -> Boolean,
-    crossinline query: () -> Flow<ResultType>,
-    crossinline fetch: suspend (ResultType) -> RequestType,
-    crossinline saveFetchResult: suspend (old: ResultType, new: RequestType) -> Unit,
-    crossinline onFetchFailed: (Throwable) -> Unit = { },
-    crossinline shouldFetch: (ResultType) -> Boolean = { true },
-    crossinline mapResult: (ResultType) -> T,
+    crossinline isResultEmpty: (OutputType) -> Boolean,
+    crossinline query: () -> Flow<DatabaseType>,
+    crossinline fetch: suspend () -> ApiType,
+    crossinline saveFetchResult: suspend (old: DatabaseType, new: ApiType) -> Unit,
+    crossinline shouldFetch: (DatabaseType) -> Boolean = { true },
+    crossinline mapResult: (DatabaseType) -> OutputType,
 ) = flow {
     emit(Resource.Loading())
 
     val data = query().first()
-    emitAll(if (shouldFetch(data)) {
-        val mappedResult = mapResult(data)
+    if (shouldFetch(data)) {
+        emit(Resource.Intermediate(data))
 
-        if (showSavedOnLoading && !isResultEmpty(mappedResult)) {
-            emit(Resource.Intermediate(mappedResult))
-        }
         try {
-            val newData = fetch(data)
+            val newData = fetch()
             mutex.withLock { saveFetchResult(query().first(), newData) }
-            query().map { Resource.Success(mapResult(it)) }
         } catch (throwable: Throwable) {
-            onFetchFailed(throwable)
-            flowOf(Resource.Error(throwable))
+            emit(Resource.Error(throwable))
+            return@flow
         }
-    } else {
-        query().map { Resource.Success(mapResult(it)) }
-    })
+    }
+
+    emitAll(query().map { Resource.Success(it) })
 }
+    .mapResourceData { mapResult(it) }
+    .filterNot { it is Resource.Intermediate && isResultEmpty(it.data) }

app/src/main/java/io/github/wulkanowy/data/WulkanowySdkFactory.kt

@@ -1,15 +1,11 @@
 package io.github.wulkanowy.data
 
 import com.chuckerteam.chucker.api.ChuckerInterceptor
-import io.github.wulkanowy.data.db.dao.StudentDao
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.db.entities.StudentIsEduOne
 import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.utils.RemoteConfigHelper
 import io.github.wulkanowy.utils.WebkitCookieManagerProxy
-import kotlinx.coroutines.sync.Mutex
-import kotlinx.coroutines.sync.withLock
 import timber.log.Timber
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -18,13 +14,9 @@ import javax.inject.Singleton
 class WulkanowySdkFactory @Inject constructor(
     private val chuckerInterceptor: ChuckerInterceptor,
     private val remoteConfig: RemoteConfigHelper,
-    private val webkitCookieManagerProxy: WebkitCookieManagerProxy,
-    private val studentDb: StudentDao,
+    private val webkitCookieManagerProxy: WebkitCookieManagerProxy
 ) {
 
-    private val eduOneMutex = Mutex()
-    private val migrationFailedStudentIds = mutableSetOf<Long>()
-
     private val sdk = Sdk().apply {
         androidVersion = android.os.Build.VERSION.RELEASE
         buildTag = android.os.Build.MODEL
@@ -38,12 +30,7 @@ class WulkanowySdkFactory @Inject constructor(
 
     fun create() = sdk
 
-    suspend fun create(student: Student, semester: Semester? = null): Sdk {
-        val overrideIsEduOne = checkEduOneAndMigrateIfNecessary(student)
-        return buildSdk(student, semester, overrideIsEduOne)
-    }
-
-    private fun buildSdk(student: Student, semester: Semester?, isStudentEduOne: Boolean): Sdk {
+    fun create(student: Student, semester: Semester? = null): Sdk {
         return create().apply {
             email = student.email
             password = student.password
@@ -52,7 +39,6 @@ class WulkanowySdkFactory @Inject constructor(
             studentId = student.studentId
             classId = student.classId
             emptyCookieJarInterceptor = true
-            isEduOne = isStudentEduOne
 
             if (Sdk.Mode.valueOf(student.loginMode) == Sdk.Mode.HEBE) {
                 mobileBaseUrl = student.mobileBaseUrl
@@ -75,51 +61,4 @@ class WulkanowySdkFactory @Inject constructor(
             }
         }
     }
-
-    private suspend fun checkEduOneAndMigrateIfNecessary(student: Student): Boolean {
-        if (student.isEduOne != null) return student.isEduOne
-
-        if (student.id in migrationFailedStudentIds) {
-            Timber.i("Migration eduOne: skipping because of previous failure")
-            return false
-        }
-
-        eduOneMutex.withLock {
-            if (student.id in migrationFailedStudentIds) {
-                Timber.i("Migration eduOne: skipping because of previous failure")
-                return false
-            }
-
-            val studentFromDatabase = studentDb.loadById(student.id)
-            if (studentFromDatabase?.isEduOne != null) {
-                Timber.i("Migration eduOne: already done")
-                return studentFromDatabase.isEduOne
-            }
-
-            Timber.i("Migration eduOne: flag missing. Running migration...")
-            val initializedSdk = buildSdk(
-                student = student,
-                semester = null,
-                isStudentEduOne = false, // doesn't matter
-            )
-            val newCurrentStudent = runCatching { initializedSdk.getCurrentStudent() }
-                .onFailure { Timber.e(it, "Migration eduOne: can't get current student") }
-                .getOrNull()
-
-            if (newCurrentStudent == null) {
-                Timber.i("Migration eduOne: failed, so skipping")
-                migrationFailedStudentIds.add(student.id)
-                return false
-            }
-
-            Timber.i("Migration eduOne: success. New isEduOne flag: ${newCurrentStudent.isEduOne}")
-
-            val studentIsEduOne = StudentIsEduOne(
-                id = student.id,
-                isEduOne = newCurrentStudent.isEduOne
-            )
-            studentDb.update(studentIsEduOne)
-            return newCurrentStudent.isEduOne
-        }
-    }
 }

app/src/main/java/io/github/wulkanowy/data/db/AppDatabase.kt

@@ -120,7 +120,6 @@ import io.github.wulkanowy.data.db.migrations.Migration55
 import io.github.wulkanowy.data.db.migrations.Migration57
 import io.github.wulkanowy.data.db.migrations.Migration58
 import io.github.wulkanowy.data.db.migrations.Migration6
-import io.github.wulkanowy.data.db.migrations.Migration63
 import io.github.wulkanowy.data.db.migrations.Migration7
 import io.github.wulkanowy.data.db.migrations.Migration8
 import io.github.wulkanowy.data.db.migrations.Migration9
@@ -175,8 +174,6 @@ import javax.inject.Singleton
         AutoMigration(from = 58, to = 59),
         AutoMigration(from = 59, to = 60),
         AutoMigration(from = 60, to = 61),
-        AutoMigration(from = 61, to = 62),
-        AutoMigration(from = 62, to = 63, spec = Migration63::class),
     ],
     version = AppDatabase.VERSION_SCHEMA,
     exportSchema = true
@@ -185,7 +182,7 @@ import javax.inject.Singleton
 abstract class AppDatabase : RoomDatabase() {
 
     companion object {
-        const val VERSION_SCHEMA = 63
+        const val VERSION_SCHEMA = 61
 
         fun getMigrations(sharedPrefProvider: SharedPrefProvider, appInfo: AppInfo) = arrayOf(
             Migration2(),
@@ -312,6 +309,6 @@ abstract class AppDatabase : RoomDatabase() {
     abstract val adminMessagesDao: AdminMessageDao
 
     abstract val mutedMessageSendersDao: MutedMessageSendersDao
-
+  
     abstract val gradeDescriptiveDao: GradeDescriptiveDao
 }

app/src/main/java/io/github/wulkanowy/data/db/dao/MobileDeviceDao.kt

@@ -8,6 +8,6 @@ import kotlinx.coroutines.flow.Flow
 @Dao
 interface MobileDeviceDao : BaseDao<MobileDevice> {
 
-    @Query("SELECT * FROM MobileDevices WHERE user_login_id = :studentId ORDER BY date DESC")
-    fun loadAll(studentId: Int): Flow<List<MobileDevice>>
+    @Query("SELECT * FROM MobileDevices WHERE user_login_id = :userLoginId ORDER BY date DESC")
+    fun loadAll(userLoginId: Int): Flow<List<MobileDevice>>
 }

app/src/main/java/io/github/wulkanowy/data/db/dao/SchoolAnnouncementDao.kt

@@ -10,6 +10,6 @@ import javax.inject.Singleton
 @Singleton
 interface SchoolAnnouncementDao : BaseDao<SchoolAnnouncement> {
 
-    @Query("SELECT * FROM SchoolAnnouncements WHERE user_login_id = :studentId ORDER BY date DESC")
-    fun loadAll(studentId: Int): Flow<List<SchoolAnnouncement>>
+    @Query("SELECT * FROM SchoolAnnouncements WHERE user_login_id = :userLoginId ORDER BY date DESC")
+    fun loadAll(userLoginId: Int): Flow<List<SchoolAnnouncement>>
 }

app/src/main/java/io/github/wulkanowy/data/db/dao/SemesterDao.kt

@@ -14,6 +14,6 @@ interface SemesterDao : BaseDao<Semester> {
     @Insert(onConflict = OnConflictStrategy.IGNORE)
     suspend fun insertSemesters(items: List<Semester>): List<Long>
 
-    @Query("SELECT * FROM Semesters WHERE (student_id = :studentId AND class_id = :classId) OR (student_id = :studentId AND class_id = 0)")
+    @Query("SELECT * FROM Semesters WHERE student_id = :studentId AND class_id = :classId")
     suspend fun loadAll(studentId: Int, classId: Int): List<Semester>
 }

app/src/main/java/io/github/wulkanowy/data/db/dao/StudentDao.kt

@@ -9,8 +9,6 @@ import androidx.room.Transaction
 import androidx.room.Update
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.db.entities.StudentIsAuthorized
-import io.github.wulkanowy.data.db.entities.StudentIsEduOne
 import io.github.wulkanowy.data.db.entities.StudentName
 import io.github.wulkanowy.data.db.entities.StudentNickAndAvatar
 import javax.inject.Singleton
@@ -25,12 +23,6 @@ abstract class StudentDao {
     @Delete
     abstract suspend fun delete(student: Student)
 
-    @Update(entity = Student::class)
-    abstract suspend fun update(studentIsAuthorized: StudentIsAuthorized)
-
-    @Update(entity = Student::class)
-    abstract suspend fun update(studentIsEduOne: StudentIsEduOne)
-
     @Update(entity = Student::class)
     abstract suspend fun update(studentNickAndAvatar: StudentNickAndAvatar)
 
@@ -47,11 +39,11 @@ abstract class StudentDao {
     abstract suspend fun loadAll(): List<Student>
 
     @Transaction
-    @Query("SELECT * FROM Students JOIN Semesters ON (Students.student_id = Semesters.student_id AND Students.class_id = Semesters.class_id) OR (Students.student_id = Semesters.student_id AND Semesters.class_id = 0)")
+    @Query("SELECT * FROM Students JOIN Semesters ON Students.student_id = Semesters.student_id AND Students.class_id = Semesters.class_id")
     abstract suspend fun loadStudentsWithSemesters(): Map<Student, List<Semester>>
 
     @Transaction
-    @Query("SELECT * FROM Students JOIN Semesters ON (Students.student_id = Semesters.student_id AND Students.class_id = Semesters.class_id) OR (Students.student_id = Semesters.student_id AND Semesters.class_id = 0) WHERE Students.id = :id")
+    @Query("SELECT * FROM Students JOIN Semesters ON Students.student_id = Semesters.student_id AND Students.class_id = Semesters.class_id WHERE Students.id = :id")
     abstract suspend fun loadStudentWithSemestersById(id: Long): Map<Student, List<Semester>>
 
     @Query("UPDATE Students SET is_current = 1 WHERE id = :id")

app/src/main/java/io/github/wulkanowy/data/db/entities/MobileDevice.kt

@@ -9,8 +9,8 @@ import java.time.Instant
 @Entity(tableName = "MobileDevices")
 data class MobileDevice(
 
-    @ColumnInfo(name = "user_login_id") // todo: change column name
-    val studentId: Int,
+    @ColumnInfo(name = "user_login_id")
+    val userLoginId: Int,
 
     @ColumnInfo(name = "device_id")
     val deviceId: Int,

app/src/main/java/io/github/wulkanowy/data/db/entities/SchoolAnnouncement.kt

@@ -9,8 +9,8 @@ import java.time.LocalDate
 @Entity(tableName = "SchoolAnnouncements")
 data class SchoolAnnouncement(
 
-    @ColumnInfo(name = "user_login_id") // todo: change column name
-    val studentId: Int,
+    @ColumnInfo(name = "user_login_id")
+    val userLoginId: Int,
 
     val date: LocalDate,
 

app/src/main/java/io/github/wulkanowy/data/db/entities/Student.kt

@@ -49,7 +49,6 @@ data class Student(
     @ColumnInfo(name = "student_id")
     val studentId: Int,
 
-    @Deprecated("not available in VULCAN anymore")
     @ColumnInfo(name = "user_login_id")
     val userLoginId: Int,
 
@@ -79,13 +78,6 @@ data class Student(
 
     @ColumnInfo(name = "registration_date")
     val registrationDate: Instant,
-
-    @ColumnInfo(name = "is_authorized", defaultValue = "0")
-    val isAuthorized: Boolean,
-
-    @ColumnInfo(name = "is_edu_one", defaultValue = "NULL")
-    val isEduOne: Boolean?,
-
 ) : Serializable {
 
     @PrimaryKey(autoGenerate = true)
@@ -96,22 +88,3 @@ data class Student(
     @ColumnInfo(name = "avatar_color")
     var avatarColor = 0L
 }
-
-@Entity
-data class StudentIsAuthorized(
-
-    @PrimaryKey
-    var id: Long,
-
-    @ColumnInfo(name = "is_authorized", defaultValue = "NULL")
-    val isAuthorized: Boolean?,
-) : Serializable
-
-@Entity
-data class StudentIsEduOne(
-    @PrimaryKey
-    var id: Long,
-
-    @ColumnInfo(name = "is_edu_one", defaultValue = "NULL")
-    val isEduOne: Boolean?,
-) : Serializable

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration63.kt

@@ -1,11 +0,0 @@
-package io.github.wulkanowy.data.db.migrations
-
-import androidx.room.migration.AutoMigrationSpec
-import androidx.sqlite.db.SupportSQLiteDatabase
-
-class Migration63 : AutoMigrationSpec {
-
-    override fun onPostMigrate(db: SupportSQLiteDatabase) {
-        db.execSQL("UPDATE Students SET is_edu_one = NULL WHERE is_edu_one = 0")
-    }
-}

app/src/main/java/io/github/wulkanowy/data/enums/AttendanceCalculatorSortingMode.kt

@@ -0,0 +1,13 @@
+package io.github.wulkanowy.data.enums
+
+enum class AttendanceCalculatorSortingMode(private val value: String) {
+    ALPHABETIC("alphabetic"),
+    ATTENDANCE("attendance_percentage"),
+    LESSON_BALANCE("lesson_balance");
+
+    companion object {
+        fun getByValue(value: String) =
+            AttendanceCalculatorSortingMode.values()
+                .find { it.value == value } ?: ALPHABETIC
+    }
+}

app/src/main/java/io/github/wulkanowy/data/mappers/DirectorInformationMapper.kt

@@ -8,7 +8,7 @@ import io.github.wulkanowy.sdk.pojo.LastAnnouncement as SdkLastAnnouncement
 @JvmName("mapDirectorInformationToEntities")
 fun List<SdkDirectorInformation>.mapToEntities(student: Student) = map {
     SchoolAnnouncement(
-        studentId = student.studentId,
+        userLoginId = student.userLoginId,
         date = it.date,
         subject = it.subject,
         content = it.content,
@@ -19,7 +19,7 @@ fun List<SdkDirectorInformation>.mapToEntities(student: Student) = map {
 @JvmName("mapLastAnnouncementsToEntities")
 fun List<SdkLastAnnouncement>.mapToEntities(student: Student) = map {
     SchoolAnnouncement(
-        studentId = student.studentId,
+        userLoginId = student.userLoginId,
         date = it.date,
         subject = it.subject,
         content = it.content,

app/src/main/java/io/github/wulkanowy/data/mappers/MobileDeviceMapper.kt

@@ -8,7 +8,7 @@ import io.github.wulkanowy.sdk.pojo.Token as SdkToken
 
 fun List<SdkDevice>.mapToEntities(student: Student) = map {
     MobileDevice(
-        studentId = student.studentId,
+        userLoginId = student.userLoginId,
         date = it.createDate.toInstant(),
         deviceId = it.id,
         name = it.name

app/src/main/java/io/github/wulkanowy/data/mappers/RegisterUserMapper.kt

@@ -34,19 +34,17 @@ fun SdkRegisterUser.mapToPojo(password: String?) = RegisterUser(
                     error = it.error,
                     students = it.subjects
                         .filterIsInstance<SdkRegisterStudent>()
-                        .map { registerStudent ->
+                        .map { registerSubject ->
                             RegisterStudent(
-                                studentId = registerStudent.studentId,
-                                studentName = registerStudent.studentName,
-                                studentSecondName = registerStudent.studentSecondName,
-                                studentSurname = registerStudent.studentSurname,
-                                className = registerStudent.className,
-                                classId = registerStudent.classId,
-                                isParent = registerStudent.isParent,
-                                isAuthorized = registerStudent.isAuthorized,
-                                isEduOne = registerStudent.isEduOne,
-                                semesters = registerStudent.semesters
-                                    .mapToEntities(registerStudent.studentId),
+                                studentId = registerSubject.studentId,
+                                studentName = registerSubject.studentName,
+                                studentSecondName = registerSubject.studentSecondName,
+                                studentSurname = registerSubject.studentSurname,
+                                className = registerSubject.className,
+                                classId = registerSubject.classId,
+                                isParent = registerSubject.isParent,
+                                semesters = registerSubject.semesters
+                                    .mapToEntities(registerSubject.studentId),
                             )
                         },
                 )
@@ -86,8 +84,6 @@ fun RegisterStudent.mapToStudentWithSemesters(
         password = user.password.orEmpty(),
         isCurrent = false,
         registrationDate = Instant.now(),
-        isAuthorized = this.isAuthorized,
-        isEduOne = this.isEduOne,
     ).apply {
         avatarColor = colors.random()
     },

app/src/main/java/io/github/wulkanowy/data/pojos/AttendanceData.kt

@@ -0,0 +1,14 @@
+package io.github.wulkanowy.data.pojos
+
+data class AttendanceData(
+    val subjectName: String,
+    val lessonBalance: Int,
+    val presences: Int,
+    val absences: Int,
+) {
+    val total: Int
+        get() = presences + absences
+
+    val presencePercentage: Double
+        get() = if (total == 0) 0.0 else (presences.toDouble() / total) * 100
+}

app/src/main/java/io/github/wulkanowy/data/pojos/RegisterUser.kt

@@ -45,6 +45,4 @@ data class RegisterStudent(
     val classId: Int,
     val isParent: Boolean,
     val semesters: List<Semester>,
-    val isAuthorized: Boolean,
-    val isEduOne: Boolean
 ) : java.io.Serializable

app/src/main/java/io/github/wulkanowy/data/repositories/AdminMessageRepository.kt

@@ -6,6 +6,7 @@ import io.github.wulkanowy.data.db.dao.AdminMessageDao
 import io.github.wulkanowy.data.db.entities.AdminMessage
 import io.github.wulkanowy.data.networkBoundResource
 import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.filterNot
 import kotlinx.coroutines.sync.Mutex
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -28,6 +29,6 @@ class AdminMessageRepository @Inject constructor(
             saveFetchResult = { oldItems, newItems ->
                 adminMessageDao.removeOldAndSaveNew(oldItems, newItems)
             },
-            showSavedOnLoading = false,
         )
+            .filterNot { it is Resource.Intermediate }
 }

app/src/main/java/io/github/wulkanowy/data/repositories/MessageRepository.kt

@@ -122,7 +122,7 @@ class MessageRepository @Inject constructor(
         fetch = {
             wulkanowySdkFactory.create(student)
                 .getMessageDetails(
-                    messageKey = it!!.message.messageGlobalKey,
+                    messageKey = message.messageGlobalKey,
                     markAsRead = message.unread && markAsRead,
                 )
         },

app/src/main/java/io/github/wulkanowy/data/repositories/MobileDeviceRepository.kt

@@ -38,7 +38,7 @@ class MobileDeviceRepository @Inject constructor(
             val isExpired = refreshHelper.shouldBeRefreshed(getRefreshKey(cacheKey, student))
             it.isEmpty() || forceRefresh || isExpired
         },
-        query = { mobileDb.loadAll(student.studentId) },
+        query = { mobileDb.loadAll(student.userLoginId) },
         fetch = {
             wulkanowySdkFactory.create(student, semester)
                 .getRegisteredDevices()

app/src/main/java/io/github/wulkanowy/data/repositories/PreferencesRepository.kt

@@ -10,6 +10,7 @@ import com.fredporciuncula.flow.preferences.Serializer
 import dagger.hilt.android.qualifiers.ApplicationContext
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.enums.AppTheme
+import io.github.wulkanowy.data.enums.AttendanceCalculatorSortingMode
 import io.github.wulkanowy.data.enums.GradeColorTheme
 import io.github.wulkanowy.data.enums.GradeExpandMode
 import io.github.wulkanowy.data.enums.GradeSortingMode
@@ -41,6 +42,27 @@ class PreferencesRepository @Inject constructor(
             R.bool.pref_default_attendance_present
         )
 
+    val targetAttendanceFlow: Flow<Int>
+        get() = flowSharedPref.getInt(
+            context.getString(R.string.pref_key_attendance_target),
+            context.resources.getInteger(R.integer.pref_default_attendance_target)
+        ).asFlow()
+
+    val attendanceCalculatorSortingModeFlow: Flow<AttendanceCalculatorSortingMode>
+        get() = flowSharedPref.getString(
+            context.getString(R.string.pref_key_attendance_calculator_sorting_mode),
+            context.resources.getString(R.string.pref_default_attendance_calculator_sorting_mode)
+        ).asFlow().map(AttendanceCalculatorSortingMode::getByValue)
+
+    /**
+     * Subjects are empty when they don't have any attendances (total = 0, attendances = 0, absences = 0).
+     */
+    val attendanceCalculatorShowEmptySubjects: Flow<Boolean>
+        get() = flowSharedPref.getBoolean(
+            context.getString(R.string.pref_key_attendance_calculator_show_empty_subjects),
+            context.resources.getBoolean(R.bool.pref_default_attendance_calculator_show_empty_subjects)
+        ).asFlow()
+
     private val gradeAverageModePref: Preference<GradeAverageMode>
         get() = getObjectFlow(
             R.string.pref_key_grade_average_mode,

app/src/main/java/io/github/wulkanowy/data/repositories/SchoolAnnouncementRepository.kt

@@ -37,7 +37,7 @@ class SchoolAnnouncementRepository @Inject constructor(
             it.isEmpty() || forceRefresh || isExpired
         },
         query = {
-            schoolAnnouncementDb.loadAll(student.studentId)
+            schoolAnnouncementDb.loadAll(student.userLoginId)
         },
         fetch = {
             val sdk = wulkanowySdkFactory.create(student)
@@ -57,7 +57,7 @@ class SchoolAnnouncementRepository @Inject constructor(
     )
 
     fun getSchoolAnnouncementFromDatabase(student: Student): Flow<List<SchoolAnnouncement>> {
-        return schoolAnnouncementDb.loadAll(student.studentId)
+        return schoolAnnouncementDb.loadAll(student.userLoginId)
     }
 
     suspend fun updateSchoolAnnouncement(schoolAnnouncement: List<SchoolAnnouncement>) =

app/src/main/java/io/github/wulkanowy/data/repositories/SemesterRepository.kt

@@ -64,10 +64,7 @@ class SemesterRepository @Inject constructor(
             .getSemesters()
             .mapToEntities(student.studentId)
 
-        if (new.isEmpty()) {
-            Timber.i("Empty semester list from SDK!")
-            return
-        }
+        if (new.isEmpty()) return Timber.i("Empty semester list!")
 
         val old = semesterDb.loadAll(student.studentId, student.classId)
         semesterDb.removeOldAndSaveNew(

app/src/main/java/io/github/wulkanowy/data/repositories/StudentRepository.kt

@@ -7,19 +7,16 @@ import io.github.wulkanowy.data.db.dao.SemesterDao
 import io.github.wulkanowy.data.db.dao.StudentDao
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.db.entities.StudentIsAuthorized
 import io.github.wulkanowy.data.db.entities.StudentName
 import io.github.wulkanowy.data.db.entities.StudentNickAndAvatar
 import io.github.wulkanowy.data.db.entities.StudentWithSemesters
 import io.github.wulkanowy.data.exceptions.NoCurrentStudentException
-import io.github.wulkanowy.data.mappers.mapToEntities
 import io.github.wulkanowy.data.mappers.mapToPojo
 import io.github.wulkanowy.data.pojos.RegisterUser
 import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.utils.DispatchersProvider
 import io.github.wulkanowy.utils.security.Scrambler
 import kotlinx.coroutines.withContext
-import timber.log.Timber
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -42,7 +39,6 @@ class StudentRepository @Inject constructor(
     ): RegisterUser = wulkanowySdkFactory.create()
         .getStudentsFromHebe(token, pin, symbol, "")
         .mapToPojo(null)
-        .also { it.logErrors() }
 
     suspend fun getUserSubjectsFromScrapper(
         email: String,
@@ -53,7 +49,6 @@ class StudentRepository @Inject constructor(
     ): RegisterUser = wulkanowySdkFactory.create()
         .getUserSubjectsFromScrapper(email, password, scrapperBaseUrl, domainSuffix, symbol)
         .mapToPojo(password)
-        .also { it.logErrors() }
 
     suspend fun getStudentsHybrid(
         email: String,
@@ -63,7 +58,6 @@ class StudentRepository @Inject constructor(
     ): RegisterUser = wulkanowySdkFactory.create()
         .getStudentsHybrid(email, password, scrapperBaseUrl, "", symbol)
         .mapToPojo(password)
-        .also { it.logErrors() }
 
     suspend fun getSavedStudents(decryptPass: Boolean = true): List<StudentWithSemesters> {
         return studentDb.loadStudentsWithSemesters().map { (student, semesters) ->
@@ -105,46 +99,6 @@ class StudentRepository @Inject constructor(
         return student
     }
 
-    suspend fun updateCurrentStudentAuthStatus() {
-        Timber.i("Check isAuthorized: started")
-        val student = getCurrentStudent()
-        if (student.isAuthorized) {
-            Timber.i("Check isAuthorized: already authorized")
-            return
-        }
-
-        val initializedSdk = wulkanowySdkFactory.create(student)
-        val newCurrentStudent = runCatching { initializedSdk.getCurrentStudent() }
-            .onFailure { Timber.e(it, "Check isAuthorized: error occurred") }
-            .getOrNull()
-
-        if (newCurrentStudent == null) {
-            Timber.d("Check isAuthorized: current user is null")
-            return
-        }
-
-        val currentStudentSemesters = semesterDb.loadAll(student.studentId, student.classId)
-        if (currentStudentSemesters.isEmpty()) {
-            Timber.d("Check isAuthorized: apply empty semesters workaround")
-            semesterDb.insertSemesters(
-                items = newCurrentStudent.semesters.mapToEntities(student.studentId),
-            )
-        }
-
-        if (!newCurrentStudent.isAuthorized) {
-            Timber.i("Check isAuthorized: authorization required")
-            throw NoAuthorizationException()
-        }
-
-        val studentIsAuthorized = StudentIsAuthorized(
-            id = student.id,
-            isAuthorized = true
-        )
-
-        Timber.i("Check isAuthorized: already authorized, update local status")
-        studentDb.update(studentIsAuthorized)
-    }
-
     suspend fun getCurrentStudent(decryptPass: Boolean = true): Student {
         val student = studentDb.loadCurrent() ?: throw NoCurrentStudentException()
 
@@ -197,21 +151,15 @@ class StudentRepository @Inject constructor(
         wulkanowySdkFactory.create(student, semester)
             .authorizePermission(pesel)
 
-    suspend fun refreshStudentAfterAuthorize(student: Student, semester: Semester) {
-        val wulkanowySdk = wulkanowySdkFactory.create(student, semester)
-        val newCurrentApiStudent = runCatching { wulkanowySdk.getCurrentStudent() }
-            .onFailure { Timber.e(it, "Can't find student with id ${student.studentId}") }
-            .getOrNull() ?: return
+    suspend fun refreshStudentName(student: Student, semester: Semester) {
+        val newCurrentApiStudent = wulkanowySdkFactory.create(student, semester)
+            .getCurrentStudent() ?: return
 
         val studentName = StudentName(
             studentName = "${newCurrentApiStudent.studentName} ${newCurrentApiStudent.studentSurname}"
         ).apply { id = student.id }
 
         studentDb.update(studentName)
-        semesterDb.removeOldAndSaveNew(
-            oldItems = semesterDb.loadAll(student.studentId, semester.classId),
-            newItems = newCurrentApiStudent.semesters.mapToEntities(newCurrentApiStudent.studentId)
-        )
     }
 
     suspend fun deleteStudentsAssociatedWithAccount(student: Student) {
@@ -224,18 +172,4 @@ class StudentRepository @Inject constructor(
             appDatabase.clearAllTables()
         }
     }
-
-    private fun RegisterUser.logErrors() {
-        val symbolsErrors = symbols.filter { it.error != null }
-            .map { it.error }
-        val unitsErrors = symbols.flatMap { it.schools }
-            .filter { it.error != null }
-            .map { it.error }
-
-        (symbolsErrors + unitsErrors).forEach { error ->
-            Timber.e(error, "Error occurred while fetching students")
-        }
-    }
 }
-
-class NoAuthorizationException : Exception()

app/src/main/java/io/github/wulkanowy/domain/attendance/GetAttendanceCalculatorDataUseCase.kt

@@ -0,0 +1,106 @@
+package io.github.wulkanowy.domain.attendance
+
+import io.github.wulkanowy.data.*
+import io.github.wulkanowy.data.db.entities.AttendanceSummary
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.db.entities.Subject
+import io.github.wulkanowy.data.enums.AttendanceCalculatorSortingMode
+import io.github.wulkanowy.data.enums.AttendanceCalculatorSortingMode.*
+import io.github.wulkanowy.data.pojos.AttendanceData
+import io.github.wulkanowy.data.repositories.AttendanceSummaryRepository
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.data.repositories.SubjectRepository
+import io.github.wulkanowy.utils.allAbsences
+import io.github.wulkanowy.utils.allPresences
+import kotlinx.coroutines.flow.Flow
+import javax.inject.Inject
+import kotlin.math.ceil
+import kotlin.math.floor
+
+class GetAttendanceCalculatorDataUseCase @Inject constructor(
+    private val subjectRepository: SubjectRepository,
+    private val attendanceSummaryRepository: AttendanceSummaryRepository,
+    private val preferencesRepository: PreferencesRepository,
+) {
+
+    operator fun invoke(
+        student: Student,
+        semester: Semester,
+        forceRefresh: Boolean,
+    ): Flow<Resource<List<AttendanceData>>> =
+        subjectRepository.getSubjects(student, semester, forceRefresh)
+            .mapResourceData { subjects -> subjects.sortedBy(Subject::name) }
+            .combineWithResourceData(preferencesRepository.targetAttendanceFlow, ::Pair)
+            .flatMapResourceData { (subjects, targetFreq) ->
+                combineResourceFlows(subjects.map { subject ->
+                    attendanceSummaryRepository.getAttendanceSummary(
+                        student = student,
+                        semester = semester,
+                        subjectId = subject.realId,
+                        forceRefresh = forceRefresh
+                    ).mapResourceData { summaries ->
+                        summaries.toAttendanceData(subject.name, targetFreq)
+                    }
+                })
+                    // Every individual combined flow causes separate network requests to update data.
+                    // When there is N child flows, they can cause up to N-1 items to be emitted. Since all
+                    // requests are usually completed in less than 5s, there is no need to emit multiple
+                    // intermediates that will be visible for barely any time.
+                    .debounceIntermediates()
+            }
+            .combineWithResourceData(preferencesRepository.attendanceCalculatorShowEmptySubjects) { attendanceDataList, showEmptySubjects ->
+                attendanceDataList.filter { it.total != 0 || showEmptySubjects }
+            }
+            .combineWithResourceData(preferencesRepository.attendanceCalculatorSortingModeFlow, List<AttendanceData>::sortedBy)
+}
+
+private fun List<AttendanceSummary>.toAttendanceData(subjectName: String, targetFreq: Int): AttendanceData {
+    val presences = sumOf { it.allPresences }
+    val absences = sumOf { it.allAbsences }
+    return AttendanceData(
+        subjectName = subjectName,
+        lessonBalance = calcLessonBalance(
+            targetFreq.toDouble() / 100, presences, absences
+        ),
+        presences = presences,
+        absences = absences,
+    )
+}
+
+private fun calcLessonBalance(targetFreq: Double, presences: Int, absences: Int): Int {
+    val total = presences + absences
+    // The `+ 1` is to avoid false positives in close cases. Eg.:
+    // target frequency 99%, 1 presence. Without the `+ 1` this would be reported shown as
+    // a positive balance of +1, however that is not actually true as skipping one class
+    // would make it so that the balance would actually be negative (-98). The `+ 1`
+    // fixes this and makes sure that in situations like these, it's not reporting incorrect
+    // balances
+    return when {
+        presences / (total + 1f) >= targetFreq -> calcMissingAbsences(
+            targetFreq, absences, presences
+        )
+        presences / (total + 0f) < targetFreq -> -calcMissingPresences(
+            targetFreq, absences, presences
+        )
+        else -> 0
+    }
+}
+
+private fun calcMissingPresences(targetFreq: Double, absences: Int, presences: Int) =
+    calcMinRequiredPresencesFor(targetFreq, absences) - presences
+
+private fun calcMinRequiredPresencesFor(targetFreq: Double, absences: Int) =
+    ceil((targetFreq / (1 - targetFreq)) * absences).toInt()
+
+private fun calcMissingAbsences(targetFreq: Double, absences: Int, presences: Int) =
+    calcMinRequiredAbsencesFor(targetFreq, presences) - absences
+
+private fun calcMinRequiredAbsencesFor(targetFreq: Double, presences: Int) =
+    floor((presences * (1 - targetFreq)) / targetFreq).toInt()
+
+private fun List<AttendanceData>.sortedBy(mode: AttendanceCalculatorSortingMode) = when (mode) {
+    ALPHABETIC -> sortedBy(AttendanceData::subjectName)
+    ATTENDANCE -> sortedByDescending(AttendanceData::presencePercentage)
+    LESSON_BALANCE -> sortedBy(AttendanceData::lessonBalance)
+}

app/src/main/java/io/github/wulkanowy/services/sync/SyncWorker.kt

@@ -17,7 +17,6 @@ import io.github.wulkanowy.data.repositories.SemesterRepository
 import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.sdk.exception.FeatureNotAvailableException
 import io.github.wulkanowy.sdk.scrapper.exception.FeatureDisabledException
-import io.github.wulkanowy.sdk.scrapper.exception.FeatureUnavailableException
 import io.github.wulkanowy.services.sync.channels.DebugChannel
 import io.github.wulkanowy.services.sync.works.Work
 import io.github.wulkanowy.utils.DispatchersProvider
@@ -49,7 +48,6 @@ class SyncWorker @AssistedInject constructor(
             val semester = semesterRepository.getCurrentSemester(student, true)
             student to semester
         } catch (e: Throwable) {
-            Timber.e(e)
             return@withContext getResultFromErrors(listOf(e))
         }
 
@@ -61,7 +59,7 @@ class SyncWorker @AssistedInject constructor(
                 null
             } catch (e: Throwable) {
                 Timber.w("${work::class.java.simpleName} result: An exception ${e.message} occurred")
-                if (e is FeatureDisabledException || e is FeatureNotAvailableException || e is FeatureUnavailableException) {
+                if (e is FeatureDisabledException || e is FeatureNotAvailableException) {
                     null
                 } else {
                     Timber.e(e)

app/src/main/java/io/github/wulkanowy/ui/base/ErrorHandler.kt

@@ -3,7 +3,7 @@ package io.github.wulkanowy.ui.base
 import android.content.Context
 import dagger.hilt.android.qualifiers.ApplicationContext
 import io.github.wulkanowy.data.exceptions.NoCurrentStudentException
-import io.github.wulkanowy.data.repositories.NoAuthorizationException
+import io.github.wulkanowy.sdk.scrapper.exception.AuthorizationRequiredException
 import io.github.wulkanowy.sdk.scrapper.exception.CloudflareVerificationException
 import io.github.wulkanowy.sdk.scrapper.login.BadCredentialsException
 import io.github.wulkanowy.sdk.scrapper.login.PasswordChangeRequiredException
@@ -40,7 +40,7 @@ open class ErrorHandler @Inject constructor(@ApplicationContext protected val co
             is ScramblerException -> onDecryptionFailed()
             is BadCredentialsException -> onExpiredCredentials()
             is NoCurrentStudentException -> onNoCurrentStudent()
-            is NoAuthorizationException -> onAuthorizationRequired()
+            is AuthorizationRequiredException -> onAuthorizationRequired()
             is CloudflareVerificationException -> onCaptchaVerificationRequired(error.originalUrl)
         }
     }

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceFragment.kt

@@ -14,6 +14,7 @@ import io.github.wulkanowy.data.db.entities.Attendance
 import io.github.wulkanowy.databinding.DialogExcuseBinding
 import io.github.wulkanowy.databinding.FragmentAttendanceBinding
 import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.attendance.calculator.AttendanceCalculatorFragment
 import io.github.wulkanowy.ui.modules.attendance.summary.AttendanceSummaryFragment
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
@@ -134,6 +135,7 @@ class AttendanceFragment : BaseFragment<FragmentAttendanceBinding>(R.layout.frag
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         return if (item.itemId == R.id.attendanceMenuSummary) presenter.onSummarySwitchSelected()
+        else if (item.itemId == R.id.attendanceMenuCalculator) presenter.onCalculatorSwitchSelected()
         else false
     }
 
@@ -253,6 +255,10 @@ class AttendanceFragment : BaseFragment<FragmentAttendanceBinding>(R.layout.frag
         (activity as? MainActivity)?.pushView(AttendanceSummaryFragment.newInstance())
     }
 
+    override fun openCalculatorView() {
+        (activity as? MainActivity)?.pushView(AttendanceCalculatorFragment.newInstance())
+    }
+
     override fun startActionMode() {
         actionMode = (activity as MainActivity?)?.startSupportActionMode(actionModeCallback)
     }

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendancePresenter.kt

@@ -1,16 +1,36 @@
 package io.github.wulkanowy.ui.modules.attendance
 
 import android.annotation.SuppressLint
-import io.github.wulkanowy.data.*
+import io.github.wulkanowy.data.Resource
 import io.github.wulkanowy.data.db.entities.Attendance
 import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.flatResourceFlow
+import io.github.wulkanowy.data.logResourceStatus
+import io.github.wulkanowy.data.mapResourceData
+import io.github.wulkanowy.data.onResourceData
+import io.github.wulkanowy.data.onResourceError
+import io.github.wulkanowy.data.onResourceIntermediate
+import io.github.wulkanowy.data.onResourceLoading
+import io.github.wulkanowy.data.onResourceNotLoading
+import io.github.wulkanowy.data.onResourceSuccess
 import io.github.wulkanowy.data.repositories.AttendanceRepository
 import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.data.repositories.SemesterRepository
 import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.data.resourceFlow
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.*
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.capitalise
+import io.github.wulkanowy.utils.getLastSchoolDayIfHoliday
+import io.github.wulkanowy.utils.isExcusableOrNotExcused
+import io.github.wulkanowy.utils.isHolidays
+import io.github.wulkanowy.utils.monday
+import io.github.wulkanowy.utils.nextSchoolDay
+import io.github.wulkanowy.utils.previousOrSameSchoolDay
+import io.github.wulkanowy.utils.previousSchoolDay
+import io.github.wulkanowy.utils.sunday
+import io.github.wulkanowy.utils.toFormattedString
 import kotlinx.coroutines.flow.firstOrNull
 import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
@@ -195,6 +215,11 @@ class AttendancePresenter @Inject constructor(
         return true
     }
 
+    fun onCalculatorSwitchSelected(): Boolean {
+        view?.openCalculatorView()
+        return true
+    }
+
     private fun loadData(forceRefresh: Boolean = false) {
         Timber.i("Loading attendance data started")
 

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceView.kt

@@ -56,6 +56,8 @@ interface AttendanceView : BaseView {
 
     fun openSummaryView()
 
+    fun openCalculatorView()
+
     fun startSendMessageIntent(date: LocalDate, numbers: String, reason: String)
 
     fun startActionMode()

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/calculator/AttendanceCalculatorAdapter.kt

@@ -0,0 +1,67 @@
+package io.github.wulkanowy.ui.modules.attendance.calculator
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.core.view.isVisible
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.pojos.AttendanceData
+import io.github.wulkanowy.databinding.ItemAttendanceCalculatorHeaderBinding
+import javax.inject.Inject
+import kotlin.math.abs
+import kotlin.math.roundToInt
+
+class AttendanceCalculatorAdapter @Inject constructor() :
+    RecyclerView.Adapter<AttendanceCalculatorAdapter.ViewHolder>() {
+
+    var items = emptyList<AttendanceData>()
+
+    override fun getItemCount() = items.size
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ViewHolder(
+        ItemAttendanceCalculatorHeaderBinding.inflate(
+            LayoutInflater.from(parent.context), parent, false
+        )
+    )
+
+    override fun onBindViewHolder(parent: ViewHolder, position: Int) {
+        val context = parent.binding.root.context
+        val item = items[position]
+
+        with(parent.binding) {
+            attendanceCalculatorPercentage.text = "${item.presencePercentage.roundToInt()}"
+
+            attendanceCalculatorSummaryBalance.text = when {
+                item.lessonBalance > 0 -> {
+                    context.getString(
+                        R.string.attendance_calculator_summary_balance_positive,
+                        item.lessonBalance
+                    )
+                }
+
+                item.lessonBalance < 0 -> {
+                    context.getString(
+                        R.string.attendance_calculator_summary_balance_negative,
+                        abs(item.lessonBalance)
+                    )
+                }
+
+                else -> context.getString(R.string.attendance_calculator_summary_balance_neutral)
+            }
+            attendanceCalculatorWarning.isVisible = item.lessonBalance < 0
+            attendanceCalculatorTitle.text = item.subjectName
+            attendanceCalculatorSummaryValues.text = if (item.total == 0) {
+                context.getString(R.string.attendance_calculator_summary_values_empty)
+            } else {
+                context.getString(
+                    R.string.attendance_calculator_summary_values,
+                    item.presences,
+                    item.total
+                )
+            }
+        }
+    }
+
+    class ViewHolder(val binding: ItemAttendanceCalculatorHeaderBinding) :
+        RecyclerView.ViewHolder(binding.root)
+}

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/calculator/AttendanceCalculatorFragment.kt

@@ -0,0 +1,105 @@
+package io.github.wulkanowy.ui.modules.attendance.calculator
+
+import android.os.Bundle
+import android.view.View
+import androidx.core.view.isVisible
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.pojos.AttendanceData
+import io.github.wulkanowy.databinding.FragmentAttendanceCalculatorBinding
+import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.ui.widgets.DividerItemDecoration
+import io.github.wulkanowy.utils.getThemeAttrColor
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class AttendanceCalculatorFragment :
+    BaseFragment<FragmentAttendanceCalculatorBinding>(R.layout.fragment_attendance_calculator),
+    AttendanceCalculatorView, MainView.TitledView {
+
+    @Inject
+    lateinit var presenter: AttendanceCalculatorPresenter
+
+    @Inject
+    lateinit var attendanceCalculatorAdapter: AttendanceCalculatorAdapter
+
+    override val titleStringId get() = R.string.attendance_title
+
+    companion object {
+        fun newInstance() = AttendanceCalculatorFragment()
+    }
+
+    override val isViewEmpty get() = attendanceCalculatorAdapter.items.isEmpty()
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentAttendanceCalculatorBinding.bind(view)
+        messageContainer = binding.attendanceCalculatorRecycler
+        presenter.onAttachView(this)
+    }
+
+    override fun initView() {
+        with(binding.attendanceCalculatorRecycler) {
+            layoutManager = LinearLayoutManager(context)
+            adapter = attendanceCalculatorAdapter
+            addItemDecoration(DividerItemDecoration(context))
+        }
+
+        with(binding) {
+            attendanceCalculatorSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+            attendanceCalculatorSwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
+            attendanceCalculatorSwipe.setProgressBackgroundColorSchemeColor(requireContext().getThemeAttrColor(R.attr.colorSwipeRefresh))
+            attendanceCalculatorErrorRetry.setOnClickListener { presenter.onRetry() }
+            attendanceCalculatorErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+        }
+    }
+
+    override fun updateData(data: List<AttendanceData>) {
+        with(attendanceCalculatorAdapter) {
+            items = data
+            notifyDataSetChanged()
+        }
+    }
+
+    override fun clearView() {
+        with(attendanceCalculatorAdapter) {
+            items = emptyList()
+            notifyDataSetChanged()
+        }
+    }
+
+    override fun showEmpty(show: Boolean) {
+        binding.attendanceCalculatorEmpty.isVisible = show
+    }
+
+    override fun showErrorView(show: Boolean) {
+        binding.attendanceCalculatorError.isVisible = show
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.attendanceCalculatorErrorMessage.text = message
+    }
+
+    override fun showProgress(show: Boolean) {
+        binding.attendanceCalculatorProgress.isVisible = show
+    }
+
+    override fun enableSwipe(enable: Boolean) {
+        binding.attendanceCalculatorSwipe.isEnabled = enable
+    }
+
+    override fun showContent(show: Boolean) {
+        binding.attendanceCalculatorRecycler.isVisible = show
+    }
+
+    override fun showRefresh(show: Boolean) {
+        binding.attendanceCalculatorSwipe.isRefreshing = show
+    }
+
+    override fun onDestroyView() {
+        presenter.onDetachView()
+        super.onDestroyView()
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/calculator/AttendanceCalculatorPresenter.kt

@@ -0,0 +1,84 @@
+package io.github.wulkanowy.ui.modules.attendance.calculator
+
+import io.github.wulkanowy.data.*
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.domain.attendance.GetAttendanceCalculatorDataUseCase
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.ui.base.ErrorHandler
+import timber.log.Timber
+import javax.inject.Inject
+
+class AttendanceCalculatorPresenter @Inject constructor(
+    errorHandler: ErrorHandler,
+    studentRepository: StudentRepository,
+    private val semesterRepository: SemesterRepository,
+    private val getAttendanceCalculatorData: GetAttendanceCalculatorDataUseCase,
+) : BasePresenter<AttendanceCalculatorView>(errorHandler, studentRepository) {
+
+    private lateinit var lastError: Throwable
+
+    override fun onAttachView(view: AttendanceCalculatorView) {
+        super.onAttachView(view)
+        view.initView()
+        Timber.i("Attendance calculator view was initialized")
+        errorHandler.showErrorMessage = ::showErrorViewOnError
+        loadData()
+    }
+
+    fun onSwipeRefresh() {
+        Timber.i("Force refreshing the attendance calculator")
+        loadData(forceRefresh = true)
+    }
+
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        loadData()
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
+    private fun loadData(forceRefresh: Boolean = false) {
+        flatResourceFlow {
+            val student = studentRepository.getCurrentStudent()
+            val semester = semesterRepository.getCurrentSemester(student)
+            getAttendanceCalculatorData(student, semester, forceRefresh)
+        }
+            .logResourceStatus("load attendance calculator")
+            .onResourceData {
+                view?.run {
+                    showProgress(false)
+                    showErrorView(false)
+                    showContent(it.isNotEmpty())
+                    showEmpty(it.isEmpty())
+                    updateData(it)
+                }
+            }
+            .onResourceIntermediate { view?.showRefresh(true) }
+            .onResourceNotLoading {
+                view?.run {
+                    enableSwipe(true)
+                    showRefresh(false)
+                    showProgress(false)
+                }
+            }
+            .onResourceError(errorHandler::dispatch)
+            .launch()
+    }
+
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+            } else showError(message, error)
+        }
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/calculator/AttendanceCalculatorView.kt

@@ -0,0 +1,29 @@
+package io.github.wulkanowy.ui.modules.attendance.calculator
+
+import io.github.wulkanowy.data.pojos.AttendanceData
+import io.github.wulkanowy.ui.base.BaseView
+
+interface AttendanceCalculatorView : BaseView {
+
+    val isViewEmpty: Boolean
+
+    fun initView()
+
+    fun showRefresh(show: Boolean)
+
+    fun showContent(show: Boolean)
+
+    fun showProgress(show: Boolean)
+
+    fun enableSwipe(enable: Boolean)
+
+    fun showEmpty(show: Boolean)
+
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
+    fun updateData(data: List<AttendanceData>)
+
+    fun clearView()
+}

app/src/main/java/io/github/wulkanowy/ui/modules/auth/AuthPresenter.kt

@@ -5,7 +5,6 @@ import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import kotlinx.coroutines.launch
-import timber.log.Timber
 import javax.inject.Inject
 
 class AuthPresenter @Inject constructor(
@@ -58,9 +57,8 @@ class AuthPresenter @Inject constructor(
                 val semester = semesterRepository.getCurrentSemester(student)
 
                 val isSuccess = studentRepository.authorizePermission(student, semester, pesel)
-                Timber.d("Auth succeed: $isSuccess")
                 if (isSuccess) {
-                    studentRepository.refreshStudentAfterAuthorize(student, semester)
+                    studentRepository.refreshStudentName(student, semester)
                 }
                 isSuccess
             }
@@ -70,7 +68,6 @@ class AuthPresenter @Inject constructor(
                     view?.showContent(true)
                 }
                 .onSuccess {
-                    Timber.d("Auth fully succeed: $it")
                     if (it) {
                         view?.showSuccess(true)
                         view?.showContent(false)

app/src/main/java/io/github/wulkanowy/ui/modules/debug/notification/mock/schoolAnnouncement.kt

@@ -19,6 +19,6 @@ val debugSchoolAnnouncementItems = listOf(
 private fun generateAnnouncement(subject: String, content: String) = SchoolAnnouncement(
     subject = subject,
     content = content,
-    studentId = 0,
+    userLoginId = 0,
     date = LocalDate.now()
 )

app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeFragment.kt

@@ -7,6 +7,7 @@ import android.view.MenuItem
 import android.view.View
 import android.view.View.INVISIBLE
 import android.view.View.VISIBLE
+import androidx.appcompat.app.AlertDialog
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.google.android.material.tabs.TabLayoutMediator
 import dagger.hilt.android.AndroidEntryPoint
@@ -30,6 +31,14 @@ class GradeFragment : BaseFragment<FragmentGradeBinding>(R.layout.fragment_grade
     @Inject
     lateinit var presenter: GradePresenter
 
+    private val pagerAdapter by lazy {
+        BaseFragmentPagerAdapter(
+            fragmentManager = childFragmentManager,
+            pagesCount = 3,
+            lifecycle = lifecycle,
+        )
+    }
+
     private var semesterSwitchMenu: MenuItem? = null
 
     companion object {
@@ -43,8 +52,6 @@ class GradeFragment : BaseFragment<FragmentGradeBinding>(R.layout.fragment_grade
 
     override val currentPageIndex get() = binding.gradeViewPager.currentItem
 
-    private var pagerAdapter: BaseFragmentPagerAdapter? = null
-
     @Suppress("DEPRECATION")
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -64,26 +71,13 @@ class GradeFragment : BaseFragment<FragmentGradeBinding>(R.layout.fragment_grade
     }
 
     override fun initView() {
-        with(binding) {
-            gradeErrorRetry.setOnClickListener { presenter.onRetry() }
-            gradeErrorDetails.setOnClickListener { presenter.onDetailsClick() }
-        }
-    }
-
-    override fun initTabs(pageCount: Int) {
-        pagerAdapter = BaseFragmentPagerAdapter(
-            lifecycle = lifecycle,
-            pagesCount = pageCount,
-            fragmentManager = childFragmentManager
-        )
-
         with(binding.gradeViewPager) {
             adapter = pagerAdapter
             offscreenPageLimit = 3
             setOnSelectPageListener(presenter::onPageSelected)
         }
 
-        with(pagerAdapter!!) {
+        with(pagerAdapter) {
             containerId = binding.gradeViewPager.id
             titleFactory = {
                 when (it) {
@@ -105,6 +99,11 @@ class GradeFragment : BaseFragment<FragmentGradeBinding>(R.layout.fragment_grade
         }
 
         binding.gradeTabLayout.elevation = requireContext().dpToPx(4f)
+
+        with(binding) {
+            gradeErrorRetry.setOnClickListener { presenter.onRetry() }
+            gradeErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+        }
     }
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
@@ -170,20 +169,19 @@ class GradeFragment : BaseFragment<FragmentGradeBinding>(R.layout.fragment_grade
     }
 
     override fun notifyChildLoadData(index: Int, semesterId: Int, forceRefresh: Boolean) {
-        (pagerAdapter?.getFragmentInstance(index) as? GradeView.GradeChildView)
+        (pagerAdapter.getFragmentInstance(index) as? GradeView.GradeChildView)
             ?.onParentLoadData(semesterId, forceRefresh)
     }
 
     override fun notifyChildParentReselected(index: Int) {
-        (pagerAdapter?.getFragmentInstance(index) as? GradeView.GradeChildView)?.onParentReselected()
+        (pagerAdapter.getFragmentInstance(index) as? GradeView.GradeChildView)?.onParentReselected()
     }
 
     override fun notifyChildSemesterChange(index: Int) {
-        (pagerAdapter?.getFragmentInstance(index) as? GradeView.GradeChildView)?.onParentChangeSemester()
+        (pagerAdapter.getFragmentInstance(index) as? GradeView.GradeChildView)?.onParentChangeSemester()
     }
 
     override fun onDestroyView() {
-        pagerAdapter = null
         presenter.onDetachView()
         super.onDestroyView()
     }

app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradePresenter.kt

@@ -22,8 +22,11 @@ class GradePresenter @Inject constructor(
 ) : BasePresenter<GradeView>(errorHandler, studentRepository) {
 
     private var selectedIndex = 0
+
     private var schoolYear = 0
-    private var availableSemesters = emptyList<Semester>()
+
+    private var semesters = emptyList<Semester>()
+
     private val loadedSemesterId = mutableMapOf<Int, Int>()
 
     private lateinit var lastError: Throwable
@@ -37,7 +40,7 @@ class GradePresenter @Inject constructor(
     }
 
     fun onCreateMenu() {
-        if (availableSemesters.isEmpty()) view?.showSemesterSwitch(false)
+        if (semesters.isEmpty()) view?.showSemesterSwitch(false)
     }
 
     fun onViewReselected() {
@@ -46,8 +49,8 @@ class GradePresenter @Inject constructor(
     }
 
     fun onSemesterSwitch(): Boolean {
-        if (availableSemesters.isNotEmpty()) {
-            view?.showSemesterDialog(selectedIndex - 1, availableSemesters.take(2))
+        if (semesters.isNotEmpty()) {
+            view?.showSemesterDialog(selectedIndex - 1, semesters.take(2))
         }
         return true
     }
@@ -80,7 +83,7 @@ class GradePresenter @Inject constructor(
     }
 
     fun onPageSelected(index: Int) {
-        if (availableSemesters.isNotEmpty()) loadChild(index)
+        if (semesters.isNotEmpty()) loadChild(index)
     }
 
     fun onRetry() {
@@ -98,24 +101,16 @@ class GradePresenter @Inject constructor(
     private fun loadData() {
         resourceFlow {
             val student = studentRepository.getCurrentStudent()
-            val semesters = semesterRepository.getSemesters(student, refreshOnNoCurrent = true)
-
-            student to semesters
+            semesterRepository.getSemesters(student, refreshOnNoCurrent = true)
         }
             .logResourceStatus("load grade data")
-            .onResourceData { (student, semesters) ->
-                val currentSemester = semesters.getCurrentOrLast()
-                selectedIndex =
-                    if (selectedIndex == 0) currentSemester.semesterName else selectedIndex
-                schoolYear = currentSemester.schoolYear
-                availableSemesters = semesters.filter { semester ->
-                    semester.diaryId == currentSemester.diaryId
-                }
-
+            .onResourceData {
+                val current = it.getCurrentOrLast()
+                selectedIndex = if (selectedIndex == 0) current.semesterName else selectedIndex
+                schoolYear = current.schoolYear
+                semesters = it.filter { semester -> semester.diaryId == current.diaryId }
+                view?.setCurrentSemesterName(current.semesterName, schoolYear)
                 view?.run {
-                    initTabs(if (student.isEduOne == true) 2 else 3)
-                    setCurrentSemesterName(currentSemester.semesterName, schoolYear)
-
                     Timber.i("Loading grade data: Attempt load index $currentPageIndex")
                     loadChild(currentPageIndex)
                     showErrorView(false)
@@ -136,10 +131,10 @@ class GradePresenter @Inject constructor(
     }
 
     private fun loadChild(index: Int, forceRefresh: Boolean = false) {
-        Timber.d("Load grade tab child. Selected semester: $selectedIndex, semesters: ${availableSemesters.joinToString { it.semesterName.toString() }}")
+        Timber.d("Load grade tab child. Selected semester: $selectedIndex, semesters: ${semesters.joinToString { it.semesterName.toString() }}")
 
         val newSelectedSemesterId = try {
-            availableSemesters.first { it.semesterName == selectedIndex }.semesterId
+            semesters.first { it.semesterName == selectedIndex }.semesterId
         } catch (e: NoSuchElementException) {
             Timber.e(e, "Selected semester no exists")
             return

app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeView.kt

@@ -9,8 +9,6 @@ interface GradeView : BaseView {
 
     fun initView()
 
-    fun initTabs(pageCount: Int)
-
     fun showContent(show: Boolean)
 
     fun showProgress(show: Boolean)

app/src/main/java/io/github/wulkanowy/ui/modules/homework/add/HomeworkAddDialog.kt

@@ -98,9 +98,7 @@ class HomeworkAddDialog : BaseDialogFragment<DialogHomeworkAddBinding>(), Homewo
             rangeEnd = LocalDate.now().lastSchoolDayInSchoolYear,
             onDateSelected = {
                 date = it
-                if (isAdded) {
-                    binding.homeworkDialogDate.editText?.setText(date!!.toFormattedString())
-                }
+                binding.homeworkDialogDate.editText?.setText(date!!.toFormattedString())
             }
         )
     }

app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectAdapter.kt

@@ -19,23 +19,19 @@ class LoginStudentSelectAdapter @Inject constructor() :
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
         val inflater = LayoutInflater.from(parent.context)
-        return when (LoginStudentSelectItemType.entries[viewType]) {
+        return when (LoginStudentSelectItemType.values()[viewType]) {
             LoginStudentSelectItemType.EMPTY_SYMBOLS_HEADER -> EmptySymbolsHeaderViewHolder(
                 ItemLoginStudentSelectEmptySymbolHeaderBinding.inflate(inflater, parent, false),
             )
-
             LoginStudentSelectItemType.SYMBOL_HEADER -> SymbolsHeaderViewHolder(
                 ItemLoginStudentSelectHeaderSymbolBinding.inflate(inflater, parent, false)
             )
-
             LoginStudentSelectItemType.SCHOOL_HEADER -> SchoolHeaderViewHolder(
                 ItemLoginStudentSelectHeaderSchoolBinding.inflate(inflater, parent, false)
             )
-
             LoginStudentSelectItemType.STUDENT -> StudentViewHolder(
                 ItemLoginStudentSelectStudentBinding.inflate(inflater, parent, false)
             )
-
             LoginStudentSelectItemType.HELP -> HelpViewHolder(
                 ItemLoginStudentSelectHelpBinding.inflate(inflater, parent, false)
             )
@@ -102,11 +98,9 @@ class LoginStudentSelectAdapter @Inject constructor() :
             with(binding) {
                 loginStudentSelectHeaderSchoolName.text = buildString {
                     append(item.unit.schoolName.trim())
-                    if (item.unit.schoolShortName.isNotBlank()) {
-                        append(" (")
-                        append(item.unit.schoolShortName)
-                        append(")")
-                    }
+                    append(" (")
+                    append(item.unit.schoolShortName)
+                    append(")")
                 }
                 loginStudentSelectHeaderSchoolDetails.isVisible = item.unit.students.isEmpty()
                 loginStudentSelectHeaderSchoolError.text = item.unit.error?.message
@@ -176,11 +170,9 @@ class LoginStudentSelectAdapter @Inject constructor() :
             oldItem is LoginStudentSelectItem.SymbolHeader && newItem is LoginStudentSelectItem.SymbolHeader -> {
                 oldItem.symbol == newItem.symbol
             }
-
             oldItem is LoginStudentSelectItem.Student && newItem is LoginStudentSelectItem.Student -> {
                 oldItem.student == newItem.student
             }
-
             else -> oldItem == newItem
         }
 

app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenter.kt

@@ -12,7 +12,6 @@ import io.github.wulkanowy.data.pojos.RegisterUser
 import io.github.wulkanowy.data.repositories.SchoolsRepository
 import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.data.resourceFlow
-import io.github.wulkanowy.sdk.scrapper.exception.StudentGraduateException
 import io.github.wulkanowy.sdk.scrapper.login.InvalidSymbolException
 import io.github.wulkanowy.services.sync.SyncManager
 import io.github.wulkanowy.ui.base.BasePresenter
@@ -109,8 +108,8 @@ class LoginStudentSelectPresenter @Inject constructor(
     }
 
     private fun createItems(): List<LoginStudentSelectItem> = buildList {
-        val notEmptySymbols = registerUser.symbols.filter { it.shouldShowOnTop() }
-        val emptySymbols = registerUser.symbols.filter { !it.shouldShowOnTop() }
+        val notEmptySymbols = registerUser.symbols.filter { it.schools.isNotEmpty() }
+        val emptySymbols = registerUser.symbols.filter { it.schools.isEmpty() }
 
         if (emptySymbols.isNotEmpty() && notEmptySymbols.isNotEmpty() && emptySymbols.any { it.symbol == loginData.userEnteredSymbol }) {
             add(createEmptySymbolItem(emptySymbols.first { it.symbol == loginData.userEnteredSymbol }))
@@ -128,10 +127,6 @@ class LoginStudentSelectPresenter @Inject constructor(
         add(helpItem)
     }
 
-    private fun RegisterSymbol.shouldShowOnTop(): Boolean {
-        return schools.isNotEmpty() || error is StudentGraduateException
-    }
-
     private fun createNotEmptySymbolItems(
         notEmptySymbols: List<RegisterSymbol>,
         students: List<StudentWithSemesters>,

app/src/main/java/io/github/wulkanowy/ui/modules/main/MainPresenter.kt

@@ -73,7 +73,6 @@ class MainPresenter @Inject constructor(
         syncManager.startPeriodicSyncWorker()
 
         checkAppSupport()
-        updateCurrentStudentAuthStatus()
 
         analytics.logEvent("app_open", "destination" to initDestination.toString())
         Timber.i("Main view was initialized with $initDestination")
@@ -192,11 +191,4 @@ class MainPresenter @Inject constructor(
 
         view?.showStudentAvatar(currentStudent)
     }
-
-    private fun updateCurrentStudentAuthStatus() {
-        presenterScope.launch {
-            runCatching { studentRepository.updateCurrentStudentAuthStatus() }
-                .onFailure { errorHandler.dispatch(it) }
-        }
-    }
 }

app/src/main/java/io/github/wulkanowy/ui/modules/settings/appearance/AppearanceFragment.kt

@@ -4,6 +4,7 @@ import android.content.SharedPreferences
 import android.os.Bundle
 import android.view.View
 import androidx.preference.PreferenceFragmentCompat
+import androidx.preference.SeekBarPreference
 import com.yariksoffice.lingver.Lingver
 import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
@@ -36,6 +37,15 @@ class AppearanceFragment : PreferenceFragmentCompat(),
 
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
         setPreferencesFromResource(R.xml.scheme_preferences_appearance, rootKey)
+        val attendanceTargetPref =
+            findPreference<SeekBarPreference>(requireContext().getString(R.string.pref_key_attendance_target))!!
+        attendanceTargetPref.setOnPreferenceChangeListener { _, newValueObj ->
+            val newValue = (((newValueObj as Int).toDouble() + 2.5) / 5).toInt() * 5
+            attendanceTargetPref.value =
+                newValue.coerceIn(attendanceTargetPref.min, attendanceTargetPref.max)
+
+            false
+        }
     }
 
     override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {

app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableAdapter.kt

@@ -27,7 +27,7 @@ class TimetableAdapter @Inject constructor() :
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
         val inflater = LayoutInflater.from(parent.context)
 
-        return when (TimetableItemType.entries[viewType]) {
+        return when (TimetableItemType.values()[viewType]) {
             TimetableItemType.SMALL -> SmallViewHolder(
                 ItemTimetableSmallBinding.inflate(inflater, parent, false)
             )
@@ -79,7 +79,6 @@ class TimetableAdapter @Inject constructor() :
 
         with(binding) {
             timetableSmallItemNumber.text = lesson.number.toString()
-            timetableSmallItemNumber.isVisible = item.isLessonNumberVisible
             timetableSmallItemSubject.text = lesson.subject
             timetableSmallItemTimeStart.text = lesson.start.toFormattedString("HH:mm")
             timetableSmallItemRoom.text = lesson.room
@@ -98,7 +97,6 @@ class TimetableAdapter @Inject constructor() :
 
         with(binding) {
             timetableItemNumber.text = lesson.number.toString()
-            timetableItemNumber.isVisible = item.isLessonNumberVisible
             timetableItemSubject.text = lesson.subject
             timetableItemGroup.text = lesson.group
             timetableItemRoom.text = lesson.room

app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableItem.kt

@@ -7,14 +7,12 @@ sealed class TimetableItem(val type: TimetableItemType) {
 
     data class Small(
         val lesson: Timetable,
-        val isLessonNumberVisible: Boolean,
         val onClick: (Timetable) -> Unit,
     ) : TimetableItem(TimetableItemType.SMALL)
 
     data class Normal(
         val lesson: Timetable,
         val showGroupsInPlan: Boolean,
-        val isLessonNumberVisible: Boolean,
         val timeLeft: TimeLeft?,
         val onClick: (Timetable) -> Unit,
     ) : TimetableItem(TimetableItemType.NORMAL)

app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetablePresenter.kt

@@ -57,7 +57,6 @@ class TimetablePresenter @Inject constructor(
 
     private var initialDate: LocalDate? = null
     private var isWeekendHasLessons: Boolean = false
-    private var isEduOne: Boolean = false
 
     var currentDate: LocalDate? = null
         private set
@@ -150,7 +149,6 @@ class TimetablePresenter @Inject constructor(
             val student = studentRepository.getCurrentStudent()
             val semester = semesterRepository.getCurrentSemester(student)
 
-            isEduOne = student.isEduOne == true
             checkInitialAndCurrentDate(semester)
             timetableRepository.getTimetable(
                 student = student,
@@ -236,8 +234,9 @@ class TimetablePresenter @Inject constructor(
                 if (prefRepository.showWholeClassPlan == TimetableMode.ONLY_CURRENT_GROUP) {
                     it.isStudentPlan
                 } else true
-            }
-            .sortedWith(compareBy({ item -> item.start }, { item -> !item.isStudentPlan }))
+            }.sortedWith(
+                compareBy({ item -> item.number }, { item -> !item.isStudentPlan })
+            )
 
         var prevNum = when (prefRepository.showTimetableGaps) {
             BETWEEN_AND_BEFORE_LESSONS -> 0
@@ -258,15 +257,13 @@ class TimetablePresenter @Inject constructor(
                         lesson = it,
                         showGroupsInPlan = prefRepository.showGroupsInPlan,
                         timeLeft = filteredItems.getTimeLeftForLesson(it, i),
-                        onClick = ::onTimetableItemSelected,
-                        isLessonNumberVisible = !isEduOne
+                        onClick = ::onTimetableItemSelected
                     )
                     add(normalLesson)
                 } else {
                     val smallLesson = TimetableItem.Small(
                         lesson = it,
-                        onClick = ::onTimetableItemSelected,
-                        isLessonNumberVisible = !isEduOne
+                        onClick = ::onTimetableItemSelected
                     )
                     add(smallLesson)
                 }

app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetFactory.kt

@@ -46,8 +46,11 @@ class TimetableWidgetFactory(
 ) : RemoteViewsService.RemoteViewsFactory {
 
     private var items = emptyList<TimetableWidgetItem>()
+
     private var timetableCanceledColor: Int? = null
+
     private var textColor: Int? = null
+
     private var timetableChangeColor: Int? = null
 
     override fun getLoadingView() = null
@@ -78,7 +81,7 @@ class TimetableWidgetFactory(
                 val lessons = getLessons(student, semester, date)
                 val lastSync = timetableRepository.getLastRefreshTimestamp(semester, date, date)
 
-                createItems(lessons, lastSync, !(student.isEduOne ?: false))
+                createItems(lessons, lastSync)
             }
                 .onFailure {
                     items = listOf(TimetableWidgetItem.Error(it))
@@ -103,13 +106,12 @@ class TimetableWidgetFactory(
     ): List<Timetable> {
         val timetable = timetableRepository.getTimetable(student, semester, date, date, false)
         val lessons = timetable.toFirstResult().dataOrThrow.lessons
-        return lessons.sortedBy { it.start }
+        return lessons.sortedBy { it.number }
     }
 
     private fun createItems(
         lessons: List<Timetable>,
         lastSync: Instant?,
-        isEduOne: Boolean
     ): List<TimetableWidgetItem> {
         var prevNum = when (prefRepository.showTimetableGaps) {
             BETWEEN_AND_BEFORE_LESSONS -> 0
@@ -125,7 +127,7 @@ class TimetableWidgetFactory(
                     )
                     add(emptyItem)
                 }
-                add(TimetableWidgetItem.Normal(it, isEduOne))
+                add(TimetableWidgetItem.Normal(it))
                 prevNum = it.number
             }
             add(TimetableWidgetItem.Synchronized(lastSync ?: Instant.MIN))
@@ -153,11 +155,9 @@ class TimetableWidgetFactory(
 
         val lessonStartTime = lesson.start.toFormattedString(TIME_FORMAT_STYLE)
         val lessonEndTime = lesson.end.toFormattedString(TIME_FORMAT_STYLE)
-        val lessonNumberVisibility = if (item.isLessonNumberVisible) VISIBLE else GONE
 
         val remoteViews = RemoteViews(context.packageName, R.layout.item_widget_timetable).apply {
             setTextViewText(R.id.timetableWidgetItemNumber, lesson.number.toString())
-            setViewVisibility(R.id.timetableWidgetItemNumber, lessonNumberVisibility)
             setTextViewText(R.id.timetableWidgetItemTimeStart, lessonStartTime)
             setTextViewText(R.id.timetableWidgetItemTimeFinish, lessonEndTime)
             setTextViewText(R.id.timetableWidgetItemSubject, lesson.subject)

app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetItem.kt

@@ -7,7 +7,6 @@ sealed class TimetableWidgetItem(val type: TimetableWidgetItemType) {
 
     data class Normal(
         val lesson: Timetable,
-        val isLessonNumberVisible: Boolean,
     ) : TimetableWidgetItem(TimetableWidgetItemType.NORMAL)
 
     data class Empty(

app/src/main/java/io/github/wulkanowy/utils/AttendanceExtension.kt

@@ -10,19 +10,19 @@ import io.github.wulkanowy.sdk.scrapper.attendance.AttendanceCategory
  * (https://www.vulcan.edu.pl/vulcang_files/user/AABW/AABW-PDF/uonetplus/uonetplus_Frekwencja-liczby-obecnych-nieobecnych.pdf)
  */
 
-private inline val AttendanceSummary.allPresences: Double
-    get() = presence.toDouble() + absenceForSchoolReasons + lateness + latenessExcused
+inline val AttendanceSummary.allPresences: Int
+    get() = presence + absenceForSchoolReasons + lateness + latenessExcused
 
-private inline val AttendanceSummary.allAbsences: Double
-    get() = absence.toDouble() + absenceExcused
+inline val AttendanceSummary.allAbsences: Int
+    get() = absence + absenceExcused
 
 inline val Attendance.isExcusableOrNotExcused: Boolean
     get() = (excusable || ((absence || lateness) && !excused)) && excuseStatus == null
 
-fun AttendanceSummary.calculatePercentage() = calculatePercentage(allPresences, allAbsences)
+fun AttendanceSummary.calculatePercentage() = calculatePercentage(allPresences.toDouble(), allAbsences.toDouble())
 
 fun List<AttendanceSummary>.calculatePercentage(): Double {
-    return calculatePercentage(sumOf { it.allPresences }, sumOf { it.allAbsences })
+    return calculatePercentage(sumOf { it.allPresences.toDouble() }, sumOf { it.allAbsences.toDouble() })
 }
 
 private fun calculatePercentage(presence: Double, absence: Double): Double {

app/src/main/java/io/github/wulkanowy/utils/RefreshUtils.kt

@@ -23,7 +23,7 @@ fun getRefreshKey(name: String, semester: Semester): String {
 }
 
 fun getRefreshKey(name: String, student: Student): String {
-    return "${name}_${student.studentId}"
+    return "${name}_${student.userLoginId}"
 }
 
 fun getRefreshKey(name: String, mailbox: Mailbox?, folder: MessageFolder): String {

app/src/main/java/io/github/wulkanowy/utils/SemesterExtension.kt

@@ -18,7 +18,7 @@ fun Semester.isCurrent(now: LocalDate = now()): Boolean {
 }
 
 fun List<Semester>.getCurrentOrLast(): Semester {
-    if (isEmpty()) throw IllegalStateException("Empty semester list")
+    if (isEmpty()) throw RuntimeException("Empty semester list")
 
     // when there is only one current semester
     singleOrNull { it.isCurrent() }?.let { return it }

app/src/main/play/release-notes/pl-PL/default.txt

@@ -1,5 +1,11 @@
-Wersja 2.5.6
+Wersja 2.5.1
 
-— naprawiliśmy logowanie (pusta lista z wyborem uczniów), które zepsuło się po zmianach po stronie VULCANa
+— dodaliśmy wyświetlanie ogłoszeń
+— dodaliśmy opcję przywracania wiadomości z kosza
+— dodaliśmy opcję wyciszania nadawców wiadomości
+— naprawiliśmy opcjonalne liczenie średniej arytmetycznej, kiedy brak ocen z wagą w drugim semestrze
+— usprawniliśmy ładowanie frekwencji i planu lekcji
+— naprawiliśmy usprawiedliwianie nieobecności i autoryzację u użytkowników eduOne
+— zmieniliśmy komunikat o zmienionym haśle
 
 Pełna lista zmian: https://github.com/wulkanowy/wulkanowy/releases

app/src/main/res/drawable/ic_menu_attendance_calculator.xml

@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M19,7H9C7.9,7 7,7.9 7,9v10c0,1.1 0.9,2 2,2h10c1.1,0 2,-0.9 2,-2V9C21,7.9 20.1,7 19,7zM19,9v2H9V9H19zM13,15v-2h2v2H13zM15,17v2h-2v-2H15zM11,15H9v-2h2V15zM17,13h2v2h-2V13zM9,17h2v2H9V17zM17,19v-2h2v2H17zM6,17H5c-1.1,0 -2,-0.9 -2,-2V5c0,-1.1 0.9,-2 2,-2h10c1.1,0 2,0.9 2,2v1h-2V5H5v10h1V17z"/>
+</vector>

app/src/main/res/layout/fragment_attendance_calculator.xml

@@ -0,0 +1,103 @@
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.modules.attendance.calculator.AttendanceCalculatorFragment">
+
+    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
+        android:id="@+id/attendanceCalculatorSwipe"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/attendanceCalculatorRecycler"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            tools:listitem="@layout/item_attendance_calculator_header" />
+    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
+
+    <com.google.android.material.progressindicator.CircularProgressIndicator
+        android:id="@+id/attendanceCalculatorProgress"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:indeterminate="true"
+        tools:visibility="gone" />
+
+    <LinearLayout
+        android:id="@+id/attendanceCalculatorEmpty"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="invisible"
+        tools:ignore="UseCompoundDrawables">
+
+        <ImageView
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            app:srcCompat="@drawable/ic_main_attendance"
+            app:tint="?colorOnBackground"
+            tools:ignore="contentDescription" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:text="@string/attendance_no_items"
+            android:textSize="20sp" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/attendanceCalculatorError"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="invisible"
+        tools:ignore="UseCompoundDrawables"
+        tools:visibility="invisible">
+
+        <ImageView
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            app:srcCompat="@drawable/ic_error"
+            app:tint="?colorOnBackground"
+            tools:ignore="contentDescription" />
+
+        <TextView
+            android:id="@+id/attendanceCalculatorErrorMessage"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:padding="8dp"
+            android:text="@string/error_unknown"
+            android:textSize="20sp" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:gravity="center"
+            android:orientation="horizontal">
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/attendanceCalculatorErrorDetails"
+                style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginRight="8dp"
+                android:text="@string/all_details" />
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/attendanceCalculatorErrorRetry"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/all_retry" />
+        </LinearLayout>
+    </LinearLayout>
+</FrameLayout>

app/src/main/res/layout/fragment_message.xml

@@ -29,7 +29,6 @@
 
     <com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
         android:id="@+id/openSendMessageButton"
-        style="@style/Widget.Material3.ExtendedFloatingActionButton.Secondary"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="bottom|end"

app/src/main/res/layout/item_attendance_calculator_header.xml

@@ -0,0 +1,111 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingStart="8dp"
+    android:paddingTop="6dp"
+    android:paddingEnd="12dp"
+    android:paddingBottom="6dp">
+
+    <TextView
+        android:id="@+id/attendanceCalculatorPercentage"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:gravity="right|center_vertical"
+        android:minWidth="32dp"
+        android:minHeight="36dp"
+        android:textSize="22sp"
+        android:textStyle="bold"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="50" />
+
+    <TextView
+        android:id="@+id/attendanceCalculatorPercentagePercentSign"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="%"
+        android:textColor="?android:textColorSecondary"
+        app:layout_constraintBaseline_toBaselineOf="@+id/attendanceCalculatorPercentage"
+        app:layout_constraintStart_toEndOf="@+id/attendanceCalculatorPercentage" />
+
+    <TextView
+        android:id="@+id/attendanceCalculatorSummaryValues"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:gravity="left"
+        android:maxLines="1"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="13sp"
+        app:layout_constraintEnd_toStartOf="@+id/attendanceCalculatorSummaryDot"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintHorizontal_chainStyle="packed"
+        app:layout_constraintStart_toStartOf="@+id/attendanceCalculatorTitle"
+        app:layout_constraintTop_toBottomOf="@+id/attendanceCalculatorTitle"
+        tools:text="11/123 obecności" />
+
+    <TextView
+        android:id="@+id/attendanceCalculatorSummaryDot"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginHorizontal="4dp"
+        android:gravity="center"
+        android:text="·"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="13sp"
+        app:layout_constraintEnd_toStartOf="@+id/attendanceCalculatorSummaryBalance"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintStart_toEndOf="@+id/attendanceCalculatorSummaryValues"
+        app:layout_constraintTop_toBottomOf="@+id/attendanceCalculatorTitle" />
+
+    <TextView
+        android:id="@+id/attendanceCalculatorSummaryBalance"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:gravity="left"
+        android:maxLines="1"
+        android:minWidth="24dp"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="13sp"
+        app:layout_constraintEnd_toStartOf="@+id/attendanceCalculatorWarning"
+        app:layout_constraintHorizontal_bias="0"
+        app:layout_constraintHorizontal_chainStyle="packed"
+        app:layout_constraintStart_toEndOf="@+id/attendanceCalculatorSummaryDot"
+        app:layout_constraintTop_toBottomOf="@+id/attendanceCalculatorTitle"
+        tools:text="12 powyżej celu" />
+
+    <TextView
+        android:id="@+id/attendanceCalculatorTitle"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="10dp"
+        android:layout_marginEnd="8dp"
+        android:ellipsize="end"
+        android:maxLines="1"
+        android:textSize="16sp"
+        android:textStyle="bold"
+        app:layout_constraintEnd_toStartOf="@+id/attendanceCalculatorWarning"
+        app:layout_constraintStart_toEndOf="@+id/attendanceCalculatorPercentagePercentSign"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="Informatyka" />
+
+    <ImageView
+        android:id="@+id/attendanceCalculatorWarning"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:contentDescription=""
+        android:layout_marginStart="12dp"
+        android:gravity="center_vertical|right"
+        android:minWidth="24dp"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:srcCompat="@drawable/ic_all_round_mark"
+        app:tint="?colorPrimary"
+        tools:visibility="visible" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/pref_target_attendance.xml

@@ -0,0 +1,140 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+Taken from https://android.googlesource.com/platform/frameworks/support/+/refs/heads/androidx-camerax-release/preference/preference/res/layout/preference_widget_seekbar_material.xml.
+
+  ~ Copyright (C) 2018 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<!-- Layout used by SeekBarPreference for the seekbar widget style. -->
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:minHeight="?android:attr/listPreferredItemHeightSmall"
+    android:gravity="center_vertical"
+    android:paddingLeft="?android:attr/listPreferredItemPaddingLeft"
+    android:paddingStart="?android:attr/listPreferredItemPaddingStart"
+    android:paddingRight="?android:attr/listPreferredItemPaddingRight"
+    android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"
+    android:background="?android:attr/selectableItemBackground"
+    android:clipChildren="false"
+    android:clipToPadding="false"
+    android:baselineAligned="false">
+    <include layout="@layout/image_frame"/>
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:layout_marginTop="8dp"
+        android:layout_marginBottom="8dp"
+        android:clipChildren="false"
+        android:clipToPadding="false">
+        <RelativeLayout
+            android:layout_width="wrap_content"
+            android:layout_height="0dp"
+            android:layout_weight="1">
+            <TextView
+                android:id="@android:id/title"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:singleLine="true"
+                android:textAppearance="?android:attr/textAppearanceListItem"
+                android:ellipsize="marquee"/>
+            <TextView
+                android:id="@android:id/summary"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_below="@android:id/title"
+                android:layout_alignLeft="@android:id/title"
+                android:layout_alignStart="@android:id/title"
+                android:layout_gravity="start"
+                android:textAlignment="viewStart"
+                android:textColor="?android:attr/textColorSecondary"
+                android:maxLines="4"
+                style="@style/PreferenceSummaryTextStyle"/>
+        </RelativeLayout>
+        <!-- Using UnPressableLinearLayout as a workaround to disable the pressed state propagation
+        to the children of this container layout. Otherwise, the animated pressed state will also
+        play for the thumb in the AbsSeekBar in addition to the preference's ripple background.
+        The background of the SeekBar is also set to null to disable the ripple background -->
+        <androidx.preference.UnPressableLinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:gravity="center_vertical"
+            android:paddingLeft="0dp"
+            android:paddingStart="0dp"
+            android:paddingRight="16dp"
+            android:paddingEnd="16dp"
+            android:clipChildren="false"
+            android:clipToPadding="false">
+            <!-- The total height of the Seekbar widget's area should be 48dp - this allows for an
+            increased touch area so you do not need to exactly tap the thumb to move it. However,
+            setting the Seekbar height directly causes the thumb and seekbar to be misaligned on
+            API 22 and 23 - so instead we just set 15dp padding above and below, to account for the
+            18dp default height of the Seekbar thumb for a total of 48dp.
+            Note: we set 0dp padding at the start and end of this seekbar to allow it to properly
+            fit into the layout, but this means that there's no leeway on either side for touch
+            input - this might be something we should reconsider down the line. -->
+            <SeekBar
+                android:id="@+id/seekbar"
+                android:layout_width="0dp"
+                android:layout_weight="1"
+                android:layout_height="wrap_content"
+                android:paddingLeft="@dimen/preference_seekbar_padding_horizontal"
+                android:paddingStart="@dimen/preference_seekbar_padding_horizontal"
+                android:paddingRight="@dimen/preference_seekbar_padding_horizontal"
+                android:paddingEnd="@dimen/preference_seekbar_padding_horizontal"
+                android:paddingTop="@dimen/preference_seekbar_padding_vertical"
+                android:paddingBottom="@dimen/preference_seekbar_padding_vertical"
+
+                android:background="@null"/>
+            <!-- If the value is shown, we reserve a minimum width of 36dp to allow for consistent
+            seekbar width for smaller values. If the value is ~4 or more digits, it will expand
+            into the seekbar width. -->
+            <TextView
+                android:id="@+id/seekbar_value"
+                android:minWidth="@dimen/preference_seekbar_value_minWidth"
+                android:paddingLeft="8dp"
+                android:paddingStart="8dp"
+                android:paddingRight="0dp"
+                android:paddingEnd="0dp"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:gravity="right"
+                android:singleLine="true"
+                android:textAppearance="?android:attr/textAppearanceListItem"
+                android:ellipsize="marquee"
+                android:fadingEdge="horizontal"
+                android:scrollbars="none"/>
+            <!-- Wulkanowy start -->
+            <TextView
+                android:minWidth="0dp"
+                android:paddingLeft="0dp"
+                android:paddingStart="0dp"
+                android:paddingRight="0dp"
+                android:paddingEnd="0dp"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:gravity="left"
+                android:singleLine="true"
+                android:textAppearance="?android:attr/textAppearanceListItem"
+                android:ellipsize="marquee"
+                android:fadingEdge="horizontal"
+                android:scrollbars="none"
+                android:text="%"
+                />
+            <!-- Wulkanowy end -->
+        </androidx.preference.UnPressableLinearLayout>
+    </LinearLayout>
+</LinearLayout>

app/src/main/res/menu/action_menu_attendance.xml

@@ -1,6 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/attendanceMenuCalculator"
+        android:icon="@drawable/ic_menu_attendance_calculator"
+        android:orderInCategory="0"
+        android:title="@string/attendance_calculator_button"
+        app:iconTint="@color/material_on_surface_emphasis_medium"
+        app:showAsAction="ifRoom" />
     <item
         android:id="@+id/attendanceMenuSummary"
         android:icon="@drawable/ic_menu_attendance_summary"

app/src/main/res/values-cs/preferences_values.xml

@@ -1,5 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
+    <string name="sort_alphabetically">Abecedně</string>
+    <string name="sort_by_date">Podle data</string>
+    <string name="sort_by_average">Podle průměru</string>
+    <string name="sort_by_attendance_percentage">Podle procenta docházky</string>
+    <string name="sort_by_subject_attendance_balance">Podle rovnováhy docházky předmětu</string>
     <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
         <item>Světlý</item>
         <item>Tmavý</item>
@@ -31,11 +36,6 @@
         <item>0,5</item>
         <item>0,75</item>
     </string-array>
-    <string-array name="grade_sorting_mode_entries">
-        <item>Abecedně</item>
-        <item>Podle data</item>
-        <item>Podle průměru</item>
-    </string-array>
     <string-array name="grade_color_scheme_entries">
         <item>Dzienniczek+</item>
         <item>Wulkanowy</item>
@@ -59,7 +59,7 @@
     <string-array name="dashboard_tile_entries">
         <item>Šťastné číslo</item>
         <item>Nepřečtené zprávy</item>
-        <item>Frekvence</item>
+        <item>Docházka</item>
         <item>Lekce</item>
         <item>Známky</item>
         <item>Domácí úkoly</item>

app/src/main/res/values-cs/strings.xml

@@ -4,7 +4,7 @@
     <string name="login_title">Přihlášení</string>
     <string name="main_title">Wulkanowy</string>
     <string name="grade_title">Známky</string>
-    <string name="attendance_title">Frekvence</string>
+    <string name="attendance_title">Docházka</string>
     <string name="exam_title">Zkoušky</string>
     <string name="timetable_title">Plán lekce</string>
     <string name="settings_title">Nastavení</string>
@@ -64,7 +64,7 @@
     <string name="login_symbol_helper">Symbol najdete na stránce deníku v &#160;<b>Uczeń</b>→&#160;<b>Dostęp Mobilny</b> →&#160;<b>Wygeneruj kod dostępu</b>.\n\nUjistěte se, že jste nastavili správnou variantu deníku v poli <b>Variace deníku UONET+</b> na první přihlašovací obrazovce</string>
     <string name="login_select_student">Vyberte žáky, kteří se mají do aplikace přihlásit</string>
     <string name="login_advanced">Jiné možnosti</string>
-    <string name="login_advanced_warning_mobile_api">V tomto režimu nefungují následující: šťastné číslo, statistiky třídy, shrnutí frekvencí, ospravedlnění nepřítomnosti, dokončené lekce, informace o škole a prohlížení seznamu registrovaných zařízení</string>
+    <string name="login_advanced_warning_mobile_api">V tomto režimu nefungují následující: šťastné číslo, statistiky třídy, shrnutí docházky, ospravedlnění nepřítomnosti, dokončené lekce, informace o škole a prohlížení seznamu registrovaných zařízení</string>
     <string name="login_advanced_warning_scraper">Tento režim zobrazuje stejná data, která se zobrazují na webových stránkách deníka</string>
     <string name="login_advanced_warning_hybrid">Kombinace nejlepších vlastností ostatních dvou režimů. Funguje rychleji než scraper a poskytuje funkce, které nejsou k dispozici v režimu Mobile API. Je to v experimentální fázi</string>
     <string name="login_privacy_policy">Ochrana osobních údajů</string>
@@ -264,7 +264,12 @@
     <string name="additional_lessons_end">Čas ukončení</string>
     <string name="additional_lessons_end_time_error">Čas ukončení musí být pozdější než čas zahájení</string>
     <!--Attendance-->
-    <string name="attendance_summary_button">Shrnutí frekvencí</string>
+    <string name="attendance_summary_button">Shrnutí docházky</string>
+    <string name="attendance_calculator_button">Kalkulačka docházky</string>
+    <string name="attendance_calculator_summary_balance_positive"><b>%1$d</b> nad cílem</string>
+    <string name="attendance_calculator_summary_balance_neutral">přesně v cíli</string>
+    <string name="attendance_calculator_summary_balance_negative"><b>%1$d</b> pod cílem</string>
+    <string name="attendance_calculator_summary_values">%1$d/%2$d přítomnosti</string>
     <string name="attendance_absence_school">Nepřítomnost ze školních důvodů</string>
     <string name="attendance_absence_excused">Omluvená nepřítomnost</string>
     <string name="attendance_absence_unexcused">Neomluvená nepřítomnost</string>
@@ -282,22 +287,22 @@
     <string name="attendance_excuse_no_selection">Musíte vybrat alespoň jednu nepřítomnost!</string>
     <string name="attendance_excuse_title">Ospravedlnit</string>
     <plurals name="attendance_notify_new_items_title">
-        <item quantity="one">Nové frekvence</item>
-        <item quantity="few">Nové frekvence</item>
-        <item quantity="many">Nové frekvence</item>
-        <item quantity="other">Nové frekvence</item>
+        <item quantity="one">Nová docházka</item>
+        <item quantity="few">Nové docházky</item>
+        <item quantity="many">Nové docházky</item>
+        <item quantity="other">Nové docházky</item>
     </plurals>
     <plurals name="attendance_notify_new_items">
-        <item quantity="one">%1$d nové frekvence</item>
-        <item quantity="few">%1$d nové frekvence</item>
-        <item quantity="many">%1$d nových frekvencí</item>
-        <item quantity="other">%1$d nových frekvencí</item>
+        <item quantity="one">%1$d nová docházka</item>
+        <item quantity="few">%1$d nové docházky</item>
+        <item quantity="many">%1$d nových docházek</item>
+        <item quantity="other">%1$d nových docházek</item>
     </plurals>
     <plurals name="attendance_number_item">
-        <item quantity="one">%d frekvence</item>
-        <item quantity="few">%d frekvence</item>
-        <item quantity="many">%d frekvencí</item>
-        <item quantity="other">%d frekvencí</item>
+        <item quantity="one">%d docházka</item>
+        <item quantity="few">%d docházky</item>
+        <item quantity="many">%d docházek</item>
+        <item quantity="other">%d docházek</item>
     </plurals>
     <!--Attendance summary-->
     <string name="attendance_summary_total">Společně</string>
@@ -731,6 +736,8 @@
     <string name="pref_view_grade_average_mode">Možnosti vypočítaného průměru</string>
     <string name="pref_view_grade_average_force_calc">Vynutit průměrný výpočet podle aplikace</string>
     <string name="pref_view_present">Zobrazit přítomnost</string>
+    <string name="pref_attendance_target">Cílová docházka</string>
+    <string name="pref_view_attendance_calculator_sorting_mode">Třídění kalkulačky docházky</string>
     <string name="pref_view_app_theme">Motiv</string>
     <string name="pref_view_expand_grade">Rozvíjení známek</string>
     <string name="pref_view_timetable_show_groups">Zobrazit skupiny vedle předmětů</string>
@@ -797,7 +804,7 @@
     <string name="pref_grades_appearance_header">Známky</string>
     <string name="pref_dashboard_appearance_header">Domů</string>
     <string name="pref_dashboard_appearance_tiles_title">Viditelnost dlaždic</string>
-    <string name="pref_attendance_appearance_view">Frekvence</string>
+    <string name="pref_attendance_appearance_view">Docházka</string>
     <string name="pref_timetable_appearance_view">Plán lekce</string>
     <string name="pref_grades_advanced_header">Známky</string>
     <string name="pref_counted_average_advanced_header">Vypočítaný průměr</string>
@@ -825,7 +832,7 @@
     <string name="channel_upcoming_lessons">Nadcházející lekce</string>
     <string name="channel_debug">Ladění</string>
     <string name="channel_change_timetable">Změny plánu lekcí</string>
-    <string name="channel_new_attendance">Nové frekvence</string>
+    <string name="channel_new_attendance">Nové docházky</string>
     <!--Colors-->
     <string name="all_black">Černá</string>
     <string name="all_red">Červená</string>

app/src/main/res/values-da-rDK/preferences_values.xml

@@ -1,70 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources xmlns:tools="http://schemas.android.com/tools">
-    <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
-        <item>Light</item>
-        <item>Dark</item>
-        <item>Black (AMOLED)</item>
-    </string-array>
-    <string-array name="app_language_entries">
-        <item>System language</item>
-        <item>Polski</item>
-        <item>English</item>
-        <item>Pусский</item>
-        <item>Українська</item>
-        <item>Deutsch</item>
-        <item>Čeština</item>
-        <item>Slovenčina</item>
-    </string-array>
-    <string-array name="services_interval_entries">
-        <item>15 minutes</item>
-        <item>30 minutes</item>
-        <item>1 hour</item>
-        <item>2 hours</item>
-        <item>6 hours</item>
-        <item>12 hours</item>
-        <item>24 hours</item>
-    </string-array>
-    <string-array name="grade_modifier_entries">
-        <item>0,00</item>
-        <item>0,25</item>
-        <item>0,33</item>
-        <item>0,5</item>
-        <item>0,75</item>
-    </string-array>
-    <string-array name="grade_sorting_mode_entries">
-        <item>Alphabetically</item>
-        <item>By date</item>
-        <item>By average</item>
-    </string-array>
-    <string-array name="grade_color_scheme_entries">
-        <item>Dzienniczek+</item>
-        <item>Wulkanowy</item>
-        <item>Grade colors in register</item>
-    </string-array>
-    <string-array name="default_expand_grade_entries">
-        <item>Up to 1 at once</item>
-        <item>Always expanded</item>
-        <item>Unlimited expansions</item>
-    </string-array>
-    <string-array name="grade_average_mode_entries">
-        <item>Average of grades only from selected semester</item>
-        <item>Average of averages from both semesters</item>
-        <item>Average of grades from the whole year</item>
-    </string-array>
-    <string-array name="timetable_show_gaps_entries">
-        <item>Don\'t show</item>
-        <item>Only between lessons</item>
-        <item>Before and between lessons</item>
-    </string-array>
-    <string-array name="dashboard_tile_entries">
-        <item>Lucky number</item>
-        <item>Unread messages</item>
-        <item>Attendance</item>
-        <item>Lessons</item>
-        <item>Grades</item>
-        <item>Homework</item>
-        <item>School announcements</item>
-        <item>Exams</item>
-        <item>Conferences</item>
-    </string-array>
-</resources>

app/src/main/res/values-de/preferences_values.xml

@@ -1,5 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
+    <string name="sort_alphabetically">Alphabetically</string>
+    <string name="sort_by_date">By date</string>
+    <string name="sort_by_average">By average</string>
+    <string name="sort_by_attendance_percentage">By attendance percentage</string>
+    <string name="sort_by_subject_attendance_balance">By subject attendance balance</string>
     <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
         <item>Licht</item>
         <item>Dunkel</item>
@@ -31,11 +36,6 @@
         <item>0,5</item>
         <item>0,75</item>
     </string-array>
-    <string-array name="grade_sorting_mode_entries">
-        <item>Alphabetisch</item>
-        <item>Nach Datum</item>
-        <item>Nach Durchschnitt</item>
-    </string-array>
     <string-array name="grade_color_scheme_entries">
         <item>Dzienniczek+</item>
         <item>Wulkanowy</item>

app/src/main/res/values-de/strings.xml

@@ -237,6 +237,11 @@
     <string name="additional_lessons_end_time_error">Endzeit muss grösser sein als Startzeit</string>
     <!--Attendance-->
     <string name="attendance_summary_button">Übersicht über die Schulbesuch</string>
+    <string name="attendance_calculator_button">Attendance calculator</string>
+    <string name="attendance_calculator_summary_balance_positive"><b>%1$d</b> over target</string>
+    <string name="attendance_calculator_summary_balance_neutral">right on target</string>
+    <string name="attendance_calculator_summary_balance_negative"><b>%1$d</b> under target</string>
+    <string name="attendance_calculator_summary_values">%1$d/%2$d presences</string>
     <string name="attendance_absence_school">Aus schulischen Gründen abwesend</string>
     <string name="attendance_absence_excused">Entschuldigte Abwesenheit</string>
     <string name="attendance_absence_unexcused">Unentschuldigtes Abwesenheit</string>
@@ -637,6 +642,8 @@
     <string name="pref_view_grade_average_mode">Berechnete Durchschnittsoptionen</string>
     <string name="pref_view_grade_average_force_calc">Mittelwertberechnung durch App erzwingen</string>
     <string name="pref_view_present">Anwesendheit zeigen</string>
+    <string name="pref_attendance_target">Attendance target</string>
+    <string name="pref_view_attendance_calculator_sorting_mode">Attendance calculator sorting</string>
     <string name="pref_view_app_theme">Thema</string>
     <string name="pref_view_expand_grade">Steigende Sorten</string>
     <string name="pref_view_timetable_show_groups">Gruppen neben Schulfächen anzeigen</string>

app/src/main/res/values-es-rES/preferences_values.xml

@@ -1,70 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources xmlns:tools="http://schemas.android.com/tools">
-    <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
-        <item>Light</item>
-        <item>Dark</item>
-        <item>Black (AMOLED)</item>
-    </string-array>
-    <string-array name="app_language_entries">
-        <item>System language</item>
-        <item>Polski</item>
-        <item>English</item>
-        <item>Pусский</item>
-        <item>Українська</item>
-        <item>Deutsch</item>
-        <item>Čeština</item>
-        <item>Slovenčina</item>
-    </string-array>
-    <string-array name="services_interval_entries">
-        <item>15 minutes</item>
-        <item>30 minutes</item>
-        <item>1 hour</item>
-        <item>2 hours</item>
-        <item>6 hours</item>
-        <item>12 hours</item>
-        <item>24 hours</item>
-    </string-array>
-    <string-array name="grade_modifier_entries">
-        <item>0,00</item>
-        <item>0,25</item>
-        <item>0,33</item>
-        <item>0,5</item>
-        <item>0,75</item>
-    </string-array>
-    <string-array name="grade_sorting_mode_entries">
-        <item>Alphabetically</item>
-        <item>By date</item>
-        <item>By average</item>
-    </string-array>
-    <string-array name="grade_color_scheme_entries">
-        <item>Dzienniczek+</item>
-        <item>Wulkanowy</item>
-        <item>Grade colors in register</item>
-    </string-array>
-    <string-array name="default_expand_grade_entries">
-        <item>Up to 1 at once</item>
-        <item>Always expanded</item>
-        <item>Unlimited expansions</item>
-    </string-array>
-    <string-array name="grade_average_mode_entries">
-        <item>Average of grades only from selected semester</item>
-        <item>Average of averages from both semesters</item>
-        <item>Average of grades from the whole year</item>
-    </string-array>
-    <string-array name="timetable_show_gaps_entries">
-        <item>Don\'t show</item>
-        <item>Only between lessons</item>
-        <item>Before and between lessons</item>
-    </string-array>
-    <string-array name="dashboard_tile_entries">
-        <item>Lucky number</item>
-        <item>Unread messages</item>
-        <item>Attendance</item>
-        <item>Lessons</item>
-        <item>Grades</item>
-        <item>Homework</item>
-        <item>School announcements</item>
-        <item>Exams</item>
-        <item>Conferences</item>
-    </string-array>
-</resources>

app/src/main/res/values-it-rIT/preferences_values.xml

@@ -1,70 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources xmlns:tools="http://schemas.android.com/tools">
-    <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
-        <item>Light</item>
-        <item>Dark</item>
-        <item>Black (AMOLED)</item>
-    </string-array>
-    <string-array name="app_language_entries">
-        <item>System language</item>
-        <item>Polski</item>
-        <item>English</item>
-        <item>Pусский</item>
-        <item>Українська</item>
-        <item>Deutsch</item>
-        <item>Čeština</item>
-        <item>Slovenčina</item>
-    </string-array>
-    <string-array name="services_interval_entries">
-        <item>15 minutes</item>
-        <item>30 minutes</item>
-        <item>1 hour</item>
-        <item>2 hours</item>
-        <item>6 hours</item>
-        <item>12 hours</item>
-        <item>24 hours</item>
-    </string-array>
-    <string-array name="grade_modifier_entries">
-        <item>0,00</item>
-        <item>0,25</item>
-        <item>0,33</item>
-        <item>0,5</item>
-        <item>0,75</item>
-    </string-array>
-    <string-array name="grade_sorting_mode_entries">
-        <item>Alphabetically</item>
-        <item>By date</item>
-        <item>By average</item>
-    </string-array>
-    <string-array name="grade_color_scheme_entries">
-        <item>Dzienniczek+</item>
-        <item>Wulkanowy</item>
-        <item>Grade colors in register</item>
-    </string-array>
-    <string-array name="default_expand_grade_entries">
-        <item>Up to 1 at once</item>
-        <item>Always expanded</item>
-        <item>Unlimited expansions</item>
-    </string-array>
-    <string-array name="grade_average_mode_entries">
-        <item>Average of grades only from selected semester</item>
-        <item>Average of averages from both semesters</item>
-        <item>Average of grades from the whole year</item>
-    </string-array>
-    <string-array name="timetable_show_gaps_entries">
-        <item>Don\'t show</item>
-        <item>Only between lessons</item>
-        <item>Before and between lessons</item>
-    </string-array>
-    <string-array name="dashboard_tile_entries">
-        <item>Lucky number</item>
-        <item>Unread messages</item>
-        <item>Attendance</item>
-        <item>Lessons</item>
-        <item>Grades</item>
-        <item>Homework</item>
-        <item>School announcements</item>
-        <item>Exams</item>
-        <item>Conferences</item>
-    </string-array>
-</resources>

app/src/main/res/values-pl/preferences_values.xml

@@ -1,5 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
+    <string name="sort_alphabetically">Alfabetycznie</string>
+    <string name="sort_by_date">Według daty</string>
+    <string name="sort_by_average">Według średniej</string>
+    <string name="sort_by_attendance_percentage">Według procentu obecności</string>
+    <string name="sort_by_subject_attendance_balance">Według balansu frekwencji przedmiotu</string>
     <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
         <item>Jasny</item>
         <item>Ciemny</item>
@@ -31,11 +36,6 @@
         <item>0,5</item>
         <item>0,75</item>
     </string-array>
-    <string-array name="grade_sorting_mode_entries">
-        <item>Alfabetycznie</item>
-        <item>Według daty</item>
-        <item>Według średniej</item>
-    </string-array>
     <string-array name="grade_color_scheme_entries">
         <item>Dzienniczek+</item>
         <item>Wulkanowy</item>

app/src/main/res/values-pl/strings.xml

@@ -265,6 +265,11 @@
     <string name="additional_lessons_end_time_error">Godzina zakończenia musi być późniejsza niż godzina rozpoczęcia</string>
     <!--Attendance-->
     <string name="attendance_summary_button">Podsumowanie frekwencji</string>
+    <string name="attendance_calculator_button">Kalkulator obecności</string>
+    <string name="attendance_calculator_summary_balance_positive"><b>%1$d</b> powyżej celu</string>
+    <string name="attendance_calculator_summary_balance_neutral">dokładnie u celu</string>
+    <string name="attendance_calculator_summary_balance_negative"><b>%1$d</b> poniżej celu</string>
+    <string name="attendance_calculator_summary_values">%1$d/%2$d obecności</string>
     <string name="attendance_absence_school">Nieobecność z przyczyn szkolnych</string>
     <string name="attendance_absence_excused">Nieobecność usprawiedliwiona</string>
     <string name="attendance_absence_unexcused">Nieobecność nieusprawiedliwiona</string>
@@ -731,6 +736,8 @@
     <string name="pref_view_grade_average_mode">Opcje obliczonej średniej</string>
     <string name="pref_view_grade_average_force_calc">Wymuś obliczanie średniej przez aplikację</string>
     <string name="pref_view_present">Pokazuj obecność</string>
+    <string name="pref_attendance_target">Docelowa obecność</string>
+    <string name="pref_view_attendance_calculator_sorting_mode">Sortowanie kalkulatora obecności</string>
     <string name="pref_view_app_theme">Motyw</string>
     <string name="pref_view_expand_grade">Rozwijanie ocen</string>
     <string name="pref_view_timetable_show_groups">Pokazuj grupę obok przedmiotu</string>

app/src/main/res/values-ru/preferences_values.xml

@@ -1,5 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
+    <string name="sort_alphabetically">Alphabetically</string>
+    <string name="sort_by_date">By date</string>
+    <string name="sort_by_average">By average</string>
+    <string name="sort_by_attendance_percentage">By attendance percentage</string>
+    <string name="sort_by_subject_attendance_balance">By subject attendance balance</string>
     <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
         <item>Светлая</item>
         <item>Тёмная</item>
@@ -31,11 +36,6 @@
         <item>0,5</item>
         <item>0,75</item>
     </string-array>
-    <string-array name="grade_sorting_mode_entries">
-        <item>В алфавитном порядке</item>
-        <item>По дате</item>
-        <item>По средней</item>
-    </string-array>
     <string-array name="grade_color_scheme_entries">
         <item>Dzienniczek+</item>
         <item>Wulkanowy</item>

app/src/main/res/values-ru/strings.xml

@@ -265,6 +265,11 @@
     <string name="additional_lessons_end_time_error">Время окончания должно быть больше, чем время начала</string>
     <!--Attendance-->
     <string name="attendance_summary_button">Итоговая посещаемость</string>
+    <string name="attendance_calculator_button">Attendance calculator</string>
+    <string name="attendance_calculator_summary_balance_positive"><b>%1$d</b> over target</string>
+    <string name="attendance_calculator_summary_balance_neutral">right on target</string>
+    <string name="attendance_calculator_summary_balance_negative"><b>%1$d</b> under target</string>
+    <string name="attendance_calculator_summary_values">%1$d/%2$d presences</string>
     <string name="attendance_absence_school">Отсутствие по школьным причинам</string>
     <string name="attendance_absence_excused">Отсутствие по уважительной причине</string>
     <string name="attendance_absence_unexcused">Отсутствие по неуважительной причине</string>
@@ -731,6 +736,8 @@
     <string name="pref_view_grade_average_mode">Параметры расчёта средних оценок</string>
     <string name="pref_view_grade_average_force_calc">Принудительно высчитать среднюю оценку через приложение</string>
     <string name="pref_view_present">Показывать присутствия</string>
+    <string name="pref_attendance_target">Attendance target</string>
+    <string name="pref_view_attendance_calculator_sorting_mode">Attendance calculator sorting</string>
     <string name="pref_view_app_theme">Тема</string>
     <string name="pref_view_expand_grade">Разворачивание оценок</string>
     <string name="pref_view_timetable_show_groups">Показать группы рядом с темами</string>

app/src/main/res/values-sk/preferences_values.xml

@@ -1,5 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
+    <string name="sort_alphabetically">Abecedne</string>
+    <string name="sort_by_date">Podľa dátumu</string>
+    <string name="sort_by_average">Podľa priemeru</string>
+    <string name="sort_by_attendance_percentage">Podľa percenta dochádzky</string>
+    <string name="sort_by_subject_attendance_balance">Podľa rovnováhy dochádzky predmetu</string>
     <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
         <item>Svetlý</item>
         <item>Tmavý</item>
@@ -31,11 +36,6 @@
         <item>0,5</item>
         <item>0,75</item>
     </string-array>
-    <string-array name="grade_sorting_mode_entries">
-        <item>Abecedne</item>
-        <item>Podľa dátumu</item>
-        <item>Podľa priemeru</item>
-    </string-array>
     <string-array name="grade_color_scheme_entries">
         <item>Dzienniczek+</item>
         <item>Wulkanowy</item>
@@ -59,7 +59,7 @@
     <string-array name="dashboard_tile_entries">
         <item>Šťastné číslo</item>
         <item>Neprečítané správy</item>
-        <item>Frekvencia</item>
+        <item>Dochádzka</item>
         <item>Lekcie</item>
         <item>Známky</item>
         <item>Domáce úlohy</item>

app/src/main/res/values-sk/strings.xml

@@ -4,7 +4,7 @@
     <string name="login_title">Prihlásenie</string>
     <string name="main_title">Wulkanowy</string>
     <string name="grade_title">Známky</string>
-    <string name="attendance_title">Frekvencia</string>
+    <string name="attendance_title">Dochádzka</string>
     <string name="exam_title">Skúšky</string>
     <string name="timetable_title">Plán lekcie</string>
     <string name="settings_title">Nastavenia</string>
@@ -64,7 +64,7 @@
     <string name="login_symbol_helper">Symbol nájdete na stránke denníka v &#160;<b>Uczeń</b>→&#160;<b>Dostęp Mobilny</b> →&#160;<b>Wygeneruj kod dostępu</b>.\n\nUistite sa, že ste nastavili správny variant denníka v poli <b>Variácia denníka UONET+</b> na prvej prihlasovacej obrazovke</string>
     <string name="login_select_student">Vyberte žiakov, ktorí sa majú do aplikácie prihlásiť</string>
     <string name="login_advanced">Iné možnosti</string>
-    <string name="login_advanced_warning_mobile_api">V tomto režime nefungujú nasledovné: šťastné číslo, štatistiky triedy, zhrnutie frekvencií, ospravedlnenie neprítomnosti, dokončené lekcie, informácie o škole a prezeranie zoznamu registrovaných zariadení</string>
+    <string name="login_advanced_warning_mobile_api">V tomto režime nefungujú nasledovné: šťastné číslo, štatistiky triedy, zhrnutie dochádzky, ospravedlnenie neprítomnosti, dokončené lekcie, informácie o škole a prezeranie zoznamu registrovaných zariadení</string>
     <string name="login_advanced_warning_scraper">Tento režim zobrazuje rovnaké dáta, ktoré sa zobrazujú na webových stránkach denníka</string>
     <string name="login_advanced_warning_hybrid">Kombinácia najlepších vlastností ostatných dvoch režimov. Funguje rýchlejšie ako scraper a poskytuje funkcie, ktoré nie sú k dispozícii v režime Mobilne API. Je to v experimentálnej fáze</string>
     <string name="login_privacy_policy">Ochrana osobných údajov</string>
@@ -264,7 +264,12 @@
     <string name="additional_lessons_end">Čas ukončenia</string>
     <string name="additional_lessons_end_time_error">Čas ukončenia musí byť neskorší ako čas začatia</string>
     <!--Attendance-->
-    <string name="attendance_summary_button">Zhrnutie frekvencií</string>
+    <string name="attendance_summary_button">Zhrnutie dochádzky</string>
+    <string name="attendance_calculator_button">Kalkulačka dochádzky</string>
+    <string name="attendance_calculator_summary_balance_positive"><b>%1$d</b> nad cieľom</string>
+    <string name="attendance_calculator_summary_balance_neutral">presne v cieli</string>
+    <string name="attendance_calculator_summary_balance_negative"><b>%1$d</b> pod cieľom</string>
+    <string name="attendance_calculator_summary_values">%1$d/%2$d prítomnosti</string>
     <string name="attendance_absence_school">Neprítomnosť zo školských dôvodov</string>
     <string name="attendance_absence_excused">Ospravedlnená neprítomnosť</string>
     <string name="attendance_absence_unexcused">Neospravedlnená neprítomnosť</string>
@@ -282,22 +287,22 @@
     <string name="attendance_excuse_no_selection">Musíte vybrať aspoň jednu neprítomnosť!</string>
     <string name="attendance_excuse_title">Ospravedlniť</string>
     <plurals name="attendance_notify_new_items_title">
-        <item quantity="one">Nová frekvencia</item>
-        <item quantity="few">Nové frekvencie</item>
-        <item quantity="many">Nové frekvencie</item>
-        <item quantity="other">Nové frekvencie</item>
+        <item quantity="one">Nová dochádzka</item>
+        <item quantity="few">Nové dochádzky</item>
+        <item quantity="many">Nové dochádzky</item>
+        <item quantity="other">Nové dochádzky</item>
     </plurals>
     <plurals name="attendance_notify_new_items">
-        <item quantity="one">%1$d nová frekvencia</item>
-        <item quantity="few">%1$d nové frekvencie</item>
-        <item quantity="many">%1$d nových frekvencií</item>
-        <item quantity="other">%1$d nových frekvencií</item>
+        <item quantity="one">%1$d nová dochádzka</item>
+        <item quantity="few">%1$d nové dochádzky</item>
+        <item quantity="many">%1$d nových dochádzok</item>
+        <item quantity="other">%1$d nových dochádzok</item>
     </plurals>
     <plurals name="attendance_number_item">
-        <item quantity="one">%d frekvencia</item>
-        <item quantity="few">%d frekvencie</item>
-        <item quantity="many">%d frekvencií</item>
-        <item quantity="other">%d frekvencií</item>
+        <item quantity="one">%d dochádzka</item>
+        <item quantity="few">%d dochádzky</item>
+        <item quantity="many">%d dochádzok</item>
+        <item quantity="other">%d dochádzok</item>
     </plurals>
     <!--Attendance summary-->
     <string name="attendance_summary_total">Spoločne</string>
@@ -731,6 +736,8 @@
     <string name="pref_view_grade_average_mode">Možnosti vypočítaného priemeru</string>
     <string name="pref_view_grade_average_force_calc">Vynútiť priemerný výpočet podľa aplikácie</string>
     <string name="pref_view_present">Zobraziť prítomnosť</string>
+    <string name="pref_attendance_target">Cieľová dochádzka</string>
+    <string name="pref_view_attendance_calculator_sorting_mode">Triedenie kalkulačky dochádzky</string>
     <string name="pref_view_app_theme">Motív</string>
     <string name="pref_view_expand_grade">Rozvijanie známok</string>
     <string name="pref_view_timetable_show_groups">Zobraziť skupiny vedľa predmetov</string>
@@ -797,7 +804,7 @@
     <string name="pref_grades_appearance_header">Známky</string>
     <string name="pref_dashboard_appearance_header">Domov</string>
     <string name="pref_dashboard_appearance_tiles_title">Viditeľnosť dlaždíc</string>
-    <string name="pref_attendance_appearance_view">Frekvencia</string>
+    <string name="pref_attendance_appearance_view">Dochádzka</string>
     <string name="pref_timetable_appearance_view">Plán lekcie</string>
     <string name="pref_grades_advanced_header">Známky</string>
     <string name="pref_counted_average_advanced_header">Vypočítaný priemer</string>
@@ -825,7 +832,7 @@
     <string name="channel_upcoming_lessons">Nadchádzajúce lekcie</string>
     <string name="channel_debug">Ladenie</string>
     <string name="channel_change_timetable">Zmeny plánu lekcií</string>
-    <string name="channel_new_attendance">Nové frekvencie</string>
+    <string name="channel_new_attendance">Nové dochádzky</string>
     <!--Colors-->
     <string name="all_black">Čierna</string>
     <string name="all_red">Červená</string>

app/src/main/res/values-uk/preferences_values.xml

@@ -1,5 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
+    <string name="sort_alphabetically">За алфавітом</string>
+    <string name="sort_by_date">За датою</string>
+    <string name="sort_by_average">За середньою</string>
+    <string name="sort_by_attendance_percentage">За відсотком відвідуваності</string>
+    <string name="sort_by_subject_attendance_balance">За балансом відвідування теми</string>
     <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
         <item>Світла</item>
         <item>Темна</item>
@@ -31,11 +36,6 @@
         <item>0,5</item>
         <item>0,75</item>
     </string-array>
-    <string-array name="grade_sorting_mode_entries">
-        <item>За алфавітом</item>
-        <item>За датою</item>
-        <item>За середньою</item>
-    </string-array>
     <string-array name="grade_color_scheme_entries">
         <item>Dzienniczek+</item>
         <item>Wulkanowy</item>

app/src/main/res/values-uk/strings.xml

@@ -265,6 +265,11 @@
     <string name="additional_lessons_end_time_error">Час завершення має бути пізніше часу початку</string>
     <!--Attendance-->
     <string name="attendance_summary_button">Підсумок відвідуваності</string>
+    <string name="attendance_calculator_button">Калькулятор відвідуваності</string>
+    <string name="attendance_calculator_summary_balance_positive"><b>%1$d</b> понад ціль</string>
+    <string name="attendance_calculator_summary_balance_neutral">точно у цілі</string>
+    <string name="attendance_calculator_summary_balance_negative"><b>%1$d</b> під ціллю</string>
+    <string name="attendance_calculator_summary_values">%1$d/%2$d відвідуваності</string>
     <string name="attendance_absence_school">Відсутність зі шкільних причин</string>
     <string name="attendance_absence_excused">Відсутність з поважних причин</string>
     <string name="attendance_absence_unexcused">Відсутність без поважних причин</string>
@@ -731,6 +736,8 @@
     <string name="pref_view_grade_average_mode">Параметри розраховування середніх оцінок</string>
     <string name="pref_view_grade_average_force_calc">Примусово розраховувати середню оцінку через додаток</string>
     <string name="pref_view_present">Показувати присутність</string>
+    <string name="pref_attendance_target">Цільова відвідуваність</string>
+    <string name="pref_view_attendance_calculator_sorting_mode">Сортування калькулятора відвідування</string>
     <string name="pref_view_app_theme">Тема</string>
     <string name="pref_view_expand_grade">Розгортання оцінок</string>
     <string name="pref_view_timetable_show_groups">Показувати групи поруч з темами</string>

app/src/main/res/values/colors.xml

@@ -1,10 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <color name="colorIcon">#d32f2f</color>
-    <color name="colorPrimary">#B91B21</color>
-    <color name="colorOnPrimary">#FFFFFF</color>
-    <color name="colorPrimaryContainer">#FFDAD5</color>
-    <color name="colorOnPrimaryContainer">#410003</color>
+
+    <color name="colorPrimary">#9c423a</color>
+    <color name="colorOnPrimary">#ffffff</color>
+    <color name="colorPrimaryContainer">#ffdad6</color>
+    <color name="colorOnPrimaryContainer">#410002</color>
+
     <color name="colorSurface">#FCFCFC</color>
     <color name="colorOnSurface">#201A1A</color>
     <color name="colorSurfaceVariant">#F4DDDB</color>
@@ -14,10 +16,12 @@
     <color name="colorOnSurfaceInverse">#FAEEEE</color>
     <color name="colorPrimaryInverse">#FFB3AA</color>
 
-    <color name="colorPrimaryDark">#FFB3AA</color>
-    <color name="colorOnPrimaryDark">#680006</color>
-    <color name="colorPrimaryContainerDark">#93000E</color>
-    <color name="colorOnPrimaryContainerDark">#FFDAD5</color>
+
+    <color name="colorPrimaryDark">#ffb4ab</color>
+    <color name="colorOnPrimaryDark">#5f1411</color>
+    <color name="colorPrimaryContainerDark">#7d2b25</color>
+    <color name="colorOnPrimaryContainerDark">#ffdad6</color>
+
     <color name="colorSurfaceDark">#201A1A</color>
     <color name="colorOnSurfaceDark">#ECE0E0</color>
     <color name="colorSurfaceVariantDark">#534341</color>
@@ -27,15 +31,16 @@
     <color name="colorOnSurfaceInverseDark">#201A1A</color>
     <color name="colorPrimaryInverseDark">#B91B21</color>
 
+
     <color name="colorPrimaryDarker">#9a0007</color>
     <color name="colorError">#ff5722</color>
     <color name="colorErrorLight">#e84853</color>
 
-    <color name="colorNavigationBarLight">#f5e8e9</color>
+    <color name="colorNavigationBarLight">#f4ecec</color>
     <color name="colorNavigationBarDark">#312624</color>
     <color name="colorNavigationBarBlack">#150e0e</color>
 
-    <color name="colorStatusBarLight">#f5e5e6</color>
+    <color name="colorStatusBarLight">#f2eae9</color>
     <color name="colorStatusBarDark">#342826</color>
     <color name="colorStatusBarBlack">#181010</color>
 

app/src/main/res/values/preferences_defaults.xml

@@ -2,6 +2,9 @@
 <resources xmlns:tools="http://schemas.android.com/tools" tools:ignore="MissingTranslation">
     <string name="pref_default_startup">0</string>
     <bool name="pref_default_attendance_present">true</bool>
+    <integer name="pref_default_attendance_target">50</integer>
+    <string name="pref_default_attendance_calculator_sorting_mode">alphabetic</string>
+    <bool name="pref_default_attendance_calculator_show_empty_subjects">false</bool>
     <string name="pref_default_grade_average_mode">only_one_semester</string>
     <bool name="pref_default_grade_average_force_calc">false</bool>
     <string name="pref_default_expand_grade_mode">one</string>

app/src/main/res/values/preferences_keys.xml

@@ -2,6 +2,9 @@
 <resources xmlns:tools="http://schemas.android.com/tools" tools:ignore="MissingTranslation">
     <string name="pref_key_start_menu">default_menu_index</string>
     <string name="pref_key_attendance_present">attendance_present</string>
+    <string name="pref_key_attendance_target">attendance_target</string>
+    <string name="pref_key_attendance_calculator_sorting_mode">attendance_calculator_sorting_mode</string>
+    <string name="pref_key_attendance_calculator_show_empty_subjects">attendance_calculator_show_empty_subjects</string>
     <string name="pref_key_app_theme">app_theme</string>
     <string name="pref_key_dashboard_tiles">dashboard_tiles</string>
     <string name="pref_key_grade_color_scheme">grade_color_scheme</string>

app/src/main/res/values/preferences_values.xml

@@ -1,5 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:tools="http://schemas.android.com/tools">
+
+    <string name="sort_alphabetically">Alphabetically</string>
+    <string name="sort_by_date">By date</string>
+    <string name="sort_by_average">By average</string>
+    <string name="sort_by_attendance_percentage">By attendance percentage</string>
+    <string name="sort_by_subject_attendance_balance">By subject attendance balance</string>
+
     <string-array name="startup_tab_entries" translatable="false">
         <item>@string/dashboard_title</item>
         <item>@string/grade_title</item>
@@ -79,10 +86,21 @@
         <item>0.75</item>
     </string-array>
 
-    <string-array name="grade_sorting_mode_entries">
-        <item>Alphabetically</item>
-        <item>By date</item>
-        <item>By average</item>
+    <string-array name="attendance_calculator_sorting_mode_entries" translatable="false">
+        <item>@string/sort_alphabetically</item>
+        <item>@string/sort_by_attendance_percentage</item>
+        <item>@string/sort_by_subject_attendance_balance</item>
+    </string-array>
+    <string-array name="attendance_calculator_sorting_mode_values" translatable="false">
+        <item>alphabetic</item>
+        <item>attendance_percentage</item>
+        <item>lesson_balance</item>
+    </string-array>
+
+    <string-array name="grade_sorting_mode_entries" translatable="false">
+        <item>@string/sort_alphabetically</item>
+        <item>@string/sort_by_date</item>
+        <item>@string/sort_by_average</item>
     </string-array>
     <string-array name="grade_sorting_mode_values" translatable="false">
         <item>alphabetic</item>

app/src/main/res/values/strings.xml

@@ -258,6 +258,12 @@
 
     <!--Attendance-->
     <string name="attendance_summary_button">Attendance summary</string>
+    <string name="attendance_calculator_button">Attendance calculator</string>
+    <string name="attendance_calculator_summary_balance_positive"><b>%1$d</b> over target</string>
+    <string name="attendance_calculator_summary_balance_neutral">right on target</string>
+    <string name="attendance_calculator_summary_balance_negative"><b>%1$d</b> under target</string>
+    <string name="attendance_calculator_summary_values">%1$d/%2$d presences</string>
+    <string name="attendance_calculator_summary_values_empty">No attendances recorded</string>
     <string name="attendance_absence_school">Absent for school reasons</string>
     <string name="attendance_absence_excused">Excused absence</string>
     <string name="attendance_absence_unexcused">Unexcused absence</string>
@@ -715,6 +721,9 @@
     <string name="pref_view_grade_average_mode">Calculated average options</string>
     <string name="pref_view_grade_average_force_calc">Force average calculation by app</string>
     <string name="pref_view_present">Show presence</string>
+    <string name="pref_attendance_target">Attendance target</string>
+    <string name="pref_attendance_calculator_show_empty_subjects">Show subjects without any attendances</string>
+    <string name="pref_view_attendance_calculator_sorting_mode">Attendance calculator sorting</string>
     <string name="pref_view_app_theme">Theme</string>
     <string name="pref_view_expand_grade">Grades expanding</string>
     <string name="pref_view_timetable_show_groups">Show groups next to subjects</string>

app/src/main/res/values/styles.xml

@@ -4,18 +4,22 @@
 
     <style name="BaseWulkanowyTheme" parent="@style/Theme.Material3.Light">
         <item name="android:forceDarkAllowed" tools:targetApi="Q">false</item>
+
         <item name="colorPrimary">@color/colorPrimary</item>
-        <item name="colorOnPrimary">@android:color/white</item>
+        <item name="colorOnPrimary">@color/colorOnPrimary</item>
         <item name="colorPrimaryContainer">@color/colorPrimaryContainer</item>
         <item name="colorOnPrimaryContainer">@color/colorOnPrimaryContainer</item>
+
         <item name="colorSecondary">@color/colorPrimary</item>
-        <item name="colorOnSecondary">@android:color/white</item>
+        <item name="colorOnSecondary">@color/colorOnPrimary</item>
         <item name="colorSecondaryContainer">@color/colorPrimaryContainer</item>
         <item name="colorOnSecondaryContainer">@color/colorOnPrimaryContainer</item>
+
         <item name="colorTertiary">@color/colorPrimary</item>
-        <item name="colorOnTertiary">@android:color/white</item>
+        <item name="colorOnTertiary">@color/colorOnPrimary</item>
         <item name="colorTertiaryContainer">@color/colorPrimaryContainer</item>
         <item name="colorOnTertiaryContainer">@color/colorOnPrimaryContainer</item>
+
         <item name="colorSurface">@color/colorSurface</item>
         <item name="colorTimetableCanceled">@color/timetable_canceled_light</item>
         <item name="colorTimetableChange">@color/timetable_change_light</item>

app/src/main/res/xml/scheme_preferences_appearance.xml

@@ -85,6 +85,30 @@
             app:iconSpaceReserved="false"
             app:key="@string/pref_key_attendance_present"
             app:title="@string/pref_view_present" />
+        <SeekBarPreference
+            app:defaultValue="@integer/pref_default_attendance_target"
+            app:iconSpaceReserved="false"
+            android:layout="@layout/pref_target_attendance"
+            app:key="@string/pref_key_attendance_target"
+            app:title="@string/pref_attendance_target"
+            app:min="1"
+            app:updatesContinuously="true"
+            android:max="99"
+            app:showSeekBarValue="true"
+            />
+        <ListPreference
+            app:defaultValue="@string/pref_default_attendance_calculator_sorting_mode"
+            app:entries="@array/attendance_calculator_sorting_mode_entries"
+            app:entryValues="@array/attendance_calculator_sorting_mode_values"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_attendance_calculator_sorting_mode"
+            app:title="@string/pref_view_attendance_calculator_sorting_mode"
+            app:useSimpleSummaryProvider="true" />
+        <SwitchPreferenceCompat
+            app:defaultValue="@bool/pref_default_attendance_calculator_show_empty_subjects"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_attendance_calculator_show_empty_subjects"
+            app:title="@string/pref_attendance_calculator_show_empty_subjects" />
     </PreferenceCategory>
     <PreferenceCategory
         android:layout_height="wrap_content"

app/src/play/java/io/github/wulkanowy/utils/AdsHelper.kt

@@ -93,12 +93,8 @@ class AdsHelper @Inject constructor(
     private fun initializeMobileAds() {
         if (isMobileAdsInitializeCalled.getAndSet(true)) return
 
-        try {
-            MobileAds.initialize(context) {
-                isMobileAdsSdkInitialized.value = true
-            }
-        } catch (e: Exception) {
-            Timber.e(e)
+        MobileAds.initialize(context) {
+            isMobileAdsSdkInitialized.value = true
         }
     }
 

app/src/release/google-services.json

@@ -1,42 +0,0 @@
-{
-  "project_info": {
-    "project_number": "",
-    "firebase_url": "",
-    "project_id": "",
-    "storage_bucket": ""
-  },
-  "client": [
-    {
-      "client_info": {
-        "mobilesdk_app_id": "1:1091101852179:android:b558a25f65d088b1",
-        "android_client_info": {
-          "package_name": "io.github.wulkanowy"
-        }
-      },
-      "oauth_client": [
-        {
-          "client_id": "",
-          "client_type": 3
-        }
-      ],
-      "api_key": [
-        {
-          "current_key": ""
-        }
-      ],
-      "services": {
-        "analytics_service": {
-          "status": 1
-        },
-        "appinvite_service": {
-          "status": 1,
-          "other_platform_oauth_client": []
-        },
-        "ads_service": {
-          "status": 2
-        }
-      }
-    }
-  ],
-  "configuration_version": "1"
-}

app/src/test/java/io/github/wulkanowy/TestEnityCreator.kt

@@ -5,8 +5,8 @@ import io.github.wulkanowy.data.db.entities.MailboxType
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.sdk.Sdk
-import java.time.Instant.now
 import java.time.LocalDate
+import java.time.Instant.now
 import io.github.wulkanowy.sdk.pojo.Semester as SdkSemester
 
 fun getSemesterEntity(diaryId: Int = 1, semesterId: Int = 1, start: LocalDate = LocalDate.now(), end: LocalDate = LocalDate.now(), semesterName: Int = 1) = Semester(
@@ -72,8 +72,6 @@ fun getStudentEntity(mode: Sdk.Mode = Sdk.Mode.HEBE) = Student(
     symbol = "",
     userLoginId = 1,
     userName = "",
-    isEduOne = false,
-    isAuthorized = false
 ).apply {
     id = 1
 }

app/src/test/java/io/github/wulkanowy/WulkanowySdkFactoryCreator.kt

@@ -2,12 +2,11 @@ package io.github.wulkanowy
 
 import io.github.wulkanowy.data.WulkanowySdkFactory
 import io.github.wulkanowy.sdk.Sdk
-import io.mockk.coEvery
 import io.mockk.every
 import io.mockk.mockk
 
 fun createWulkanowySdkFactoryMock(sdk: Sdk) = mockk<WulkanowySdkFactory>()
     .apply {
         every { create() } returns sdk
-        coEvery { create(any(), any()) } returns sdk
+        every { create(any(), any()) } answers { callOriginal() }
     }

app/src/test/java/io/github/wulkanowy/data/ResourceTest.kt

@@ -1,6 +1,10 @@
 package io.github.wulkanowy.data
 
-import io.mockk.*
+import io.mockk.Runs
+import io.mockk.coEvery
+import io.mockk.coVerifyOrder
+import io.mockk.just
+import io.mockk.mockk
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.flowOf
@@ -42,7 +46,6 @@ class ResourceTest {
         // first
         networkBoundResource(
             isResultEmpty = { false },
-            showSavedOnLoading = false,
             query = { repo.query() },
             fetch = {
                 val data = repo.fetch()
@@ -57,7 +60,6 @@ class ResourceTest {
         // second
         networkBoundResource(
             isResultEmpty = { false },
-            showSavedOnLoading = false,
             query = { repo.query() },
             fetch = {
                 val data = repo.fetch()
@@ -124,7 +126,6 @@ class ResourceTest {
         networkBoundResource(
             isResultEmpty = { false },
             mutex = saveResultMutex,
-            showSavedOnLoading = false,
             query = { repo.query() },
             fetch = {
                 val data = repo.fetch()
@@ -143,7 +144,6 @@ class ResourceTest {
         networkBoundResource(
             isResultEmpty = { false },
             mutex = saveResultMutex,
-            showSavedOnLoading = false,
             query = { repo.query() },
             fetch = {
                 val data = repo.fetch()

app/src/test/java/io/github/wulkanowy/data/WulkanowySdkFactoryTest.kt

@@ -1,129 +0,0 @@
-package io.github.wulkanowy.data
-
-import android.os.Build
-import dagger.hilt.android.testing.HiltTestApplication
-import io.github.wulkanowy.data.db.dao.StudentDao
-import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.db.entities.StudentIsEduOne
-import io.github.wulkanowy.getStudentEntity
-import io.github.wulkanowy.sdk.Sdk
-import io.github.wulkanowy.sdk.pojo.RegisterStudent
-import io.mockk.Runs
-import io.mockk.coEvery
-import io.mockk.coVerify
-import io.mockk.every
-import io.mockk.just
-import io.mockk.mockk
-import io.mockk.spyk
-import io.mockk.verify
-import kotlinx.coroutines.test.runTest
-import org.junit.Before
-import org.junit.Test
-import org.junit.runner.RunWith
-import org.robolectric.RobolectricTestRunner
-import org.robolectric.annotation.Config
-
-@RunWith(RobolectricTestRunner::class)
-@Config(sdk = [Build.VERSION_CODES.O_MR1], application = HiltTestApplication::class)
-class WulkanowySdkFactoryTest {
-
-    private lateinit var wulkanowySdkFactory: WulkanowySdkFactory
-    private lateinit var studentDao: StudentDao
-    private lateinit var sdk: Sdk
-
-    @Before
-    fun setUp() {
-        sdk = mockk(relaxed = true)
-        studentDao = mockk()
-        wulkanowySdkFactory = spyk(
-            WulkanowySdkFactory(
-                chuckerInterceptor = mockk(),
-                remoteConfig = mockk(relaxed = true),
-                webkitCookieManagerProxy = mockk(),
-                studentDb = studentDao
-            )
-        )
-
-        every { wulkanowySdkFactory.create() } returns sdk
-    }
-
-    @Test
-    fun `check sdk flag isEduOne when local student is eduone`() = runTest {
-        val student = getStudentEntity().copy(isEduOne = true)
-
-        wulkanowySdkFactory.create(student)
-
-        verify { sdk.isEduOne = true }
-        coVerify(exactly = 0) { sdk.getCurrentStudent() }
-    }
-
-    @Test
-    fun `check sdk flag isEduOne when local student is not eduone`() = runTest {
-        val student = getStudentEntity().copy(isEduOne = false)
-
-        wulkanowySdkFactory.create(student)
-
-        verify { sdk.isEduOne = false }
-        coVerify(exactly = 0) { sdk.getCurrentStudent() }
-    }
-
-    @Test
-    fun `check sdk flag isEduOne when local student is eduone null and remote student is eduone true`() =
-        runTest {
-            val studentToProcess = getStudentEntity().copy(isEduOne = null)
-            val registerStudent = studentToProcess.toRegisterStudent(isEduOne = true)
-
-            coEvery { studentDao.loadById(any()) } returns studentToProcess
-            coEvery { studentDao.update(any(StudentIsEduOne::class)) } just Runs
-            coEvery { sdk.getCurrentStudent() } returns registerStudent
-
-            wulkanowySdkFactory.create(studentToProcess)
-
-            verify { sdk.isEduOne = true }
-            coVerify { sdk.getCurrentStudent() }
-        }
-
-    @Test
-    fun `check sdk flag isEduOne when local student is eduone null and remote student is eduone false`() =
-        runTest {
-            val studentToProcess = getStudentEntity().copy(isEduOne = null)
-            val registerStudent = studentToProcess.toRegisterStudent(isEduOne = false)
-
-            coEvery { studentDao.loadById(any()) } returns studentToProcess
-            coEvery { studentDao.update(any(StudentIsEduOne::class)) } just Runs
-            coEvery { sdk.getCurrentStudent() } returns registerStudent
-
-            wulkanowySdkFactory.create(studentToProcess)
-
-            verify { sdk.isEduOne = false }
-            coVerify { sdk.getCurrentStudent() }
-        }
-
-    @Test
-    fun `check sdk flag isEduOne when sdk getCurrentStudent throws error`() =
-        runTest {
-            val studentToProcess = getStudentEntity().copy(isEduOne = null)
-
-            coEvery { studentDao.loadById(any()) } returns studentToProcess
-            coEvery { studentDao.update(any(StudentIsEduOne::class)) } just Runs
-            coEvery { sdk.getCurrentStudent() } throws Exception()
-
-            wulkanowySdkFactory.create(studentToProcess)
-
-            verify { sdk.isEduOne = false }
-            coVerify { sdk.getCurrentStudent() }
-        }
-
-    private fun Student.toRegisterStudent(isEduOne: Boolean) = RegisterStudent(
-        studentId = studentId,
-        studentName = studentName,
-        studentSecondName = studentName,
-        studentSurname = studentName,
-        className = className,
-        classId = classId,
-        isParent = isParent,
-        isAuthorized = isAuthorized,
-        semesters = emptyList(),
-        isEduOne = isEduOne,
-    )
-}

app/src/test/java/io/github/wulkanowy/data/db/migrations/AbstractMigrationTest.kt

@@ -21,10 +21,10 @@ abstract class AbstractMigrationTest {
 
     @get:Rule
     val helper: MigrationTestHelper = MigrationTestHelper(
-        instrumentation = InstrumentationRegistry.getInstrumentation(),
-        databaseClass = AppDatabase::class.java,
-        specs = listOf(Migration63()),
-        openFactory = FrameworkSQLiteOpenHelperFactory()
+        InstrumentationRegistry.getInstrumentation(),
+        AppDatabase::class.java,
+        listOf(Migration55()),
+        FrameworkSQLiteOpenHelperFactory()
     )
 
     fun runMigrationsAndValidate(migration: Migration) {